diff --git a/client/internal/netflow/logger/logger.go b/client/internal/netflow/logger/logger.go
index 8f8e6878404..deb38bc4db8 100644
--- a/client/internal/netflow/logger/logger.go
+++ b/client/internal/netflow/logger/logger.go
@@ -27,7 +27,7 @@ type Logger struct {
 	wgIfaceNetV6       netip.Prefix
 	dnsCollection      atomic.Bool
 	exitNodeCollection atomic.Bool
-	Store              types.Store
+	Store              types.AggregatingStore
 }
 
 func New(statusRecorder *peer.Status, wgIfaceIPNet, wgIfaceIPNetV6 netip.Prefix) *Logger {
@@ -35,7 +35,7 @@ func New(statusRecorder *peer.Status, wgIfaceIPNet, wgIfaceIPNetV6 netip.Prefix)
 		statusRecorder: statusRecorder,
 		wgIfaceNet:     wgIfaceIPNet,
 		wgIfaceNetV6:   wgIfaceIPNetV6,
-		Store:          store.NewMemoryStore(),
+		Store:          store.NewAggregatingMemoryStore(),
 	}
 }
 
@@ -125,6 +125,10 @@ func (l *Logger) stop() {
 	l.mux.Unlock()
 }
 
+func (l *Logger) ResetAggregationWindow() types.FlowEventAggregator {
+	return l.Store.ResetAggregationWindow()
+}
+
 func (l *Logger) GetEvents() []*types.Event {
 	return l.Store.GetEvents()
 }
diff --git a/client/internal/netflow/manager.go b/client/internal/netflow/manager.go
index eff083dbfd4..43d61b77147 100644
--- a/client/internal/netflow/manager.go
+++ b/client/internal/netflow/manager.go
@@ -9,12 +9,14 @@ import (
 	"sync"
 	"time"
 
+	"github.com/cenkalti/backoff/v4"
 	"github.com/google/uuid"
 	log "github.com/sirupsen/logrus"
 	"google.golang.org/protobuf/types/known/timestamppb"
 
 	"github.com/netbirdio/netbird/client/internal/netflow/conntrack"
 	"github.com/netbirdio/netbird/client/internal/netflow/logger"
+	"github.com/netbirdio/netbird/client/internal/netflow/store"
 	nftypes "github.com/netbirdio/netbird/client/internal/netflow/types"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/flow/client"
@@ -23,14 +25,16 @@ import (
 
 // Manager handles netflow tracking and logging
 type Manager struct {
-	mux            sync.Mutex
-	shutdownWg     sync.WaitGroup
-	logger         nftypes.FlowLogger
-	flowConfig     *nftypes.FlowConfig
-	conntrack      nftypes.ConnTracker
-	receiverClient *client.GRPCClient
-	publicKey      []byte
-	cancel         context.CancelFunc
+	mux               sync.Mutex
+	shutdownWg        sync.WaitGroup
+	logger            nftypes.FlowLogger
+	flowConfig        *nftypes.FlowConfig
+	conntrack         nftypes.ConnTracker
+	receiverClient    *client.GRPCClient
+	eventsWithoutAcks nftypes.Store
+	publicKey         []byte
+	cancel            context.CancelFunc
+	retryInterval     time.Duration
 }
 
 // NewManager creates a new netflow manager
@@ -48,9 +52,11 @@ func NewManager(iface nftypes.IFaceMapper, publicKey []byte, statusRecorder *pee
 	}
 
 	return &Manager{
-		logger:    flowLogger,
-		conntrack: ct,
-		publicKey: publicKey,
+		logger:            flowLogger,
+		conntrack:         ct,
+		publicKey:         publicKey,
+		retryInterval:     time.Second,
+		eventsWithoutAcks: store.NewMemoryStore(),
 	}
 }
 
@@ -66,6 +72,7 @@ func (m *Manager) needsNewClient(previous *nftypes.FlowConfig) bool {
 }
 
 // enableFlow starts components for flow tracking
+// must be called under m.mux lock
 func (m *Manager) enableFlow(previous *nftypes.FlowConfig) error {
 	// first make sender ready so events don't pile up
 	if m.needsNewClient(previous) {
@@ -85,6 +92,7 @@ func (m *Manager) enableFlow(previous *nftypes.FlowConfig) error {
 	return nil
 }
 
+// must be called under m.mux lock
 func (m *Manager) resetClient() error {
 	if m.receiverClient != nil {
 		if err := m.receiverClient.Close(); err != nil {
@@ -107,14 +115,19 @@ func (m *Manager) resetClient() error {
 	ctx, cancel := context.WithCancel(context.Background())
 	m.cancel = cancel
 
-	m.shutdownWg.Add(2)
+	m.shutdownWg.Add(3)
+	flowConfigInterval := m.flowConfig.Interval
 	go func() {
 		defer m.shutdownWg.Done()
-		m.receiveACKs(ctx, flowClient)
+		m.receiveACKs(ctx, flowClient, flowConfigInterval)
 	}()
 	go func() {
 		defer m.shutdownWg.Done()
-		m.startSender(ctx)
+		m.startSender(ctx, flowConfigInterval)
+	}()
+	go func() {
+		defer m.shutdownWg.Done()
+		m.startRetries(ctx, flowConfigInterval)
 	}()
 
 	return nil
@@ -198,8 +211,8 @@ func (m *Manager) GetLogger() nftypes.FlowLogger {
 	return m.logger
 }
 
-func (m *Manager) startSender(ctx context.Context) {
-	ticker := time.NewTicker(m.flowConfig.Interval)
+func (m *Manager) startSender(ctx context.Context, flowConfigInterval time.Duration) {
+	ticker := time.NewTicker(flowConfigInterval)
 	defer ticker.Stop()
 
 	for {
@@ -207,27 +220,29 @@ func (m *Manager) startSender(ctx context.Context) {
 		case <-ctx.Done():
 			return
 		case <-ticker.C:
-			events := m.logger.GetEvents()
+			collectedEvents := m.logger.ResetAggregationWindow()
+			events := collectedEvents.GetAggregatedEvents()
 			for _, event := range events {
+				m.eventsWithoutAcks.StoreEvent(event)
 				if err := m.send(event); err != nil {
 					log.Errorf("failed to send flow event to server: %v", err)
-					continue
+				} else {
+					log.Tracef("sent flow event: %s", event.ID)
 				}
-				log.Tracef("sent flow event: %s", event.ID)
 			}
 		}
 	}
 }
 
-func (m *Manager) receiveACKs(ctx context.Context, client *client.GRPCClient) {
-	err := client.Receive(ctx, m.flowConfig.Interval, func(ack *proto.FlowEventAck) error {
+func (m *Manager) receiveACKs(ctx context.Context, client *client.GRPCClient, flowConfigInterval time.Duration) {
+	err := client.Receive(ctx, flowConfigInterval, func(ack *proto.FlowEventAck) error {
 		id, err := uuid.FromBytes(ack.EventId)
 		if err != nil {
 			log.Warnf("failed to convert ack event id to uuid: %v", err)
 			return nil
 		}
 		log.Tracef("received flow event ack: %s", id)
-		m.logger.DeleteEvents([]uuid.UUID{id})
+		m.eventsWithoutAcks.DeleteEvents([]uuid.UUID{id})
 		return nil
 	})
 
@@ -236,6 +251,51 @@ func (m *Manager) receiveACKs(ctx context.Context, client *client.GRPCClient) {
 	}
 }
 
+// We effectively never drop events (see MaxInterval), which makes eventsWithoutAcks unbounded.
+// We may want to limit the max size of the store, and start dropping oldest events when the threshold is reached.
+func (m *Manager) startRetries(ctx context.Context, flowConfigInterval time.Duration) {
+	timer := time.NewTimer(m.retryInterval)
+	retryBackoff := backoff.WithContext(&backoff.ExponentialBackOff{
+		InitialInterval:     1 * time.Second,
+		RandomizationFactor: 0.5,
+		Multiplier:          1.7,
+		MaxInterval:         flowConfigInterval / 2,
+		MaxElapsedTime:      3 * 30 * 24 * time.Hour, // 3 months
+		Stop:                backoff.Stop,
+		Clock:               backoff.SystemClock,
+	}, ctx)
+	defer timer.Stop()
+
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case <-timer.C:
+			resetBackoff := true
+			for _, e := range m.eventsWithoutAcks.GetEvents() {
+				if e.Timestamp.Add(time.Second).After(time.Now()) {
+					// grace period on retries to avoid early retries
+					// do not retry if the event is less than 1 sec old
+					continue
+				}
+				if err := m.send(e); err != nil {
+					if nextBackoff := retryBackoff.NextBackOff(); nextBackoff != backoff.Stop {
+						timer = time.NewTimer(nextBackoff)
+						resetBackoff = false
+					} else {
+						resetBackoff = true // we exhausted retries, reset retry loop
+					}
+					break
+				}
+			}
+			if resetBackoff { // use regular retry interval in absence of network errors
+				retryBackoff.Reset()
+				timer = time.NewTimer(m.retryInterval)
+			}
+		}
+	}
+}
+
 func (m *Manager) send(event *nftypes.Event) error {
 	m.mux.Lock()
 	client := m.receiverClient
@@ -250,9 +310,11 @@ func (m *Manager) send(event *nftypes.Event) error {
 
 func toProtoEvent(publicKey []byte, event *nftypes.Event) *proto.FlowEvent {
 	protoEvent := &proto.FlowEvent{
-		EventId:   event.ID[:],
-		Timestamp: timestamppb.New(event.Timestamp),
-		PublicKey: publicKey,
+		EventId:     event.ID[:],
+		Timestamp:   timestamppb.New(event.Timestamp),
+		PublicKey:   publicKey,
+		WindowStart: timestamppb.New(event.WindowStart),
+		WindowEnd:   timestamppb.New(event.WindowEnd),
 		FlowFields: &proto.FlowFields{
 			FlowId:           event.FlowID[:],
 			RuleId:           event.RuleID,
@@ -267,6 +329,9 @@ func toProtoEvent(publicKey []byte, event *nftypes.Event) *proto.FlowEvent {
 			TxBytes:          event.TxBytes,
 			SourceResourceId: event.SourceResourceID,
 			DestResourceId:   event.DestResourceID,
+			NumOfStarts:      event.NumOfStarts,
+			NumOfEnds:        event.NumOfEnds,
+			NumOfDrops:       event.NumOfDrops,
 		},
 	}
 
diff --git a/client/internal/netflow/manager_integration_test.go b/client/internal/netflow/manager_integration_test.go
new file mode 100644
index 00000000000..9029bdda2fa
--- /dev/null
+++ b/client/internal/netflow/manager_integration_test.go
@@ -0,0 +1,291 @@
+package netflow
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net"
+	"net/netip"
+	"slices"
+	"testing"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/netbirdio/netbird/client/iface/wgaddr"
+	"github.com/netbirdio/netbird/client/internal/netflow/types"
+	"github.com/netbirdio/netbird/flow/proto"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"google.golang.org/grpc"
+)
+
+type testServer struct {
+	proto.UnimplementedFlowServiceServer
+	events         chan *proto.FlowEvent
+	acks           chan *proto.FlowEventAck
+	grpcSrv        *grpc.Server
+	addr           string
+	handlerDone    chan struct{} // signaled each time Events() exits
+	handlerStarted chan struct{} // signaled each time Events() begins
+}
+
+func newTestServer(t *testing.T) *testServer {
+	listener, err := net.Listen("tcp", "127.0.0.1:0")
+	require.NoError(t, err)
+
+	s := &testServer{
+		events:         make(chan *proto.FlowEvent, 100),
+		acks:           make(chan *proto.FlowEventAck, 100),
+		grpcSrv:        grpc.NewServer(),
+		addr:           listener.Addr().String(),
+		handlerDone:    make(chan struct{}, 10),
+		handlerStarted: make(chan struct{}, 10),
+	}
+
+	proto.RegisterFlowServiceServer(s.grpcSrv, s)
+
+	go func() {
+		if err := s.grpcSrv.Serve(listener); err != nil && !errors.Is(err, grpc.ErrServerStopped) {
+			t.Logf("server error: %v", err)
+		}
+	}()
+
+	t.Cleanup(func() {
+		s.grpcSrv.Stop()
+	})
+
+	return s
+}
+
+func (s *testServer) Events(stream proto.FlowService_EventsServer) error {
+	defer func() {
+		select {
+		case s.handlerDone <- struct{}{}:
+		default:
+		}
+	}()
+
+	err := stream.Send(&proto.FlowEventAck{IsInitiator: true})
+	if err != nil {
+		return err
+	}
+
+	select {
+	case s.handlerStarted <- struct{}{}:
+	default:
+	}
+
+	ctx, cancel := context.WithCancel(stream.Context())
+	defer cancel()
+
+	go func() {
+		defer cancel()
+		for {
+			event, err := stream.Recv()
+			if err != nil {
+				return
+			}
+
+			if !event.IsInitiator {
+				select {
+				case s.events <- event:
+				case <-ctx.Done():
+					return
+				}
+			}
+		}
+	}()
+
+	for {
+		select {
+		case ack := <-s.acks:
+			if err := stream.Send(ack); err != nil {
+				return err
+			}
+		case <-ctx.Done():
+			return ctx.Err()
+		}
+	}
+}
+
+func TestSendEventReceiveAck(t *testing.T) {
+	_, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	t.Cleanup(cancel)
+
+	server := newTestServer(t)
+	manager := createManager(t, server.addr, 60*time.Second) // set high to prevent retries in this test
+	defer manager.Close()
+
+	assert.Eventually(t, func() bool {
+		select {
+		case <-server.handlerStarted:
+			return true
+		default:
+			return false
+		}
+	}, 3*time.Second, 100*time.Millisecond)
+
+	event1 := types.EventFields{
+		FlowID:    uuid.New(),
+		Type:      types.TypeStart,
+		Direction: types.Ingress,
+		DestIP:    ipAddr("172.16.1.2"),
+		DestPort:  2345,
+		Protocol:  6,
+	}
+	manager.logger.StoreEvent(event1)
+	event2 := types.EventFields{
+		FlowID:    uuid.New(),
+		Type:      types.TypeStart,
+		Direction: types.Ingress,
+		DestIP:    ipAddr("172.16.1.1"),
+		DestPort:  1234,
+		Protocol:  6,
+	}
+	manager.logger.StoreEvent(event2)
+
+	// verify the server received logged events
+	serverSideEvents := make([]*proto.FlowEvent, 0)
+	assert.Eventually(t, func() bool {
+		select {
+		case event := <-server.events:
+			serverSideEvents = append(serverSideEvents, event)
+			if len(serverSideEvents) == 2 {
+				return true
+			}
+		default:
+			if len(serverSideEvents) == 2 {
+				return true
+			}
+		}
+		return false
+	}, 5*time.Second, 100*time.Millisecond)
+
+	serverSideFlowIds := make([]uuid.UUID, 0, 2)
+	slices.Values(serverSideEvents)(func(e *proto.FlowEvent) bool {
+		id, err := uuid.FromBytes(e.FlowFields.FlowId)
+		assert.NoError(t, err)
+		serverSideFlowIds = append(serverSideFlowIds, id)
+		return true
+	})
+	assert.ElementsMatch(t, []uuid.UUID{event1.FlowID, event2.FlowID}, serverSideFlowIds)
+
+	// verify the manager tracks un-acked events
+	unackedEvents := manager.eventsWithoutAcks.GetEvents()
+	assert.Len(t, unackedEvents, 2)
+	flowIds := make([]uuid.UUID, 0)
+	slices.Values(unackedEvents)(func(e *types.Event) bool {
+		flowIds = append(flowIds, e.FlowID)
+		return true
+	})
+	assert.ElementsMatch(t, flowIds, []uuid.UUID{event1.FlowID, event2.FlowID})
+}
+
+// verify handling of retries:
+//   - unacked events are retried
+//   - when acks arrive, events are removed from the un-acked event tracker
+func TestRetryEvents(t *testing.T) {
+	_, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	t.Cleanup(cancel)
+
+	server := newTestServer(t)
+	manager := createManager(t, server.addr, time.Second) // set low to start retries sooner
+	defer manager.Close()
+
+	assert.Eventually(t, func() bool {
+		select {
+		case <-server.handlerStarted:
+			return true
+		default:
+			return false
+		}
+	}, 3*time.Second, 100*time.Millisecond)
+
+	event1 := types.EventFields{
+		FlowID:    uuid.New(),
+		Type:      types.TypeStart,
+		Direction: types.Ingress,
+		DestIP:    ipAddr("172.16.1.2"),
+		DestPort:  2345,
+		Protocol:  6,
+	}
+	manager.logger.StoreEvent(event1)
+	event2 := types.EventFields{
+		FlowID:    uuid.New(),
+		Type:      types.TypeStart,
+		Direction: types.Ingress,
+		DestIP:    ipAddr("172.16.1.1"),
+		DestPort:  1234,
+		Protocol:  6,
+	}
+	manager.logger.StoreEvent(event2)
+
+	// verify the server received retries of logged events
+	serverSideEvents := make([]*proto.FlowEvent, 0)
+	func() {
+		c := time.After(2500 * time.Millisecond)
+		for {
+			select {
+			case event := <-server.events:
+				serverSideEvents = append(serverSideEvents, event)
+			case <-c:
+				return
+			}
+		}
+	}()
+	assert.True(t, len(serverSideEvents) > 2) // must see retries
+
+	uniqueServerSideEvents := make(map[uuid.UUID]*proto.FlowEvent)
+	slices.Values(serverSideEvents)(func(e *proto.FlowEvent) bool {
+		id, err := uuid.FromBytes(e.FlowFields.FlowId)
+		assert.NoError(t, err)
+		uniqueServerSideEvents[id] = e
+		return true
+	})
+	assert.Contains(t, uniqueServerSideEvents, event1.FlowID)
+	assert.Contains(t, uniqueServerSideEvents, event2.FlowID)
+
+	// ack events
+	server.acks <- &proto.FlowEventAck{EventId: uniqueServerSideEvents[event1.FlowID].EventId}
+	server.acks <- &proto.FlowEventAck{EventId: uniqueServerSideEvents[event2.FlowID].EventId}
+
+	assert.EventuallyWithT(t, func(c *assert.CollectT) {
+		unackedEvents := manager.eventsWithoutAcks.GetEvents()
+		assert.Empty(c, unackedEvents)
+
+	}, 3*time.Second, 100*time.Millisecond)
+}
+
+func createManager(t *testing.T, serverAddr string, retryInterval time.Duration) *Manager {
+	t.Helper()
+
+	mockIFace := &mockIFaceMapper{
+		address: wgaddr.Address{
+			Network: netip.MustParsePrefix("192.168.1.1/32"),
+		},
+		isUserspaceBind: true,
+	}
+
+	publicKey := []byte("test-public-key")
+	manager := NewManager(mockIFace, publicKey, nil)
+	manager.retryInterval = retryInterval
+
+	initialConfig := &types.FlowConfig{
+		Enabled:        true,
+		URL:            fmt.Sprintf("http://%s", serverAddr),
+		TokenPayload:   "initial-payload",
+		TokenSignature: "initial-signature",
+		Interval:       500 * time.Millisecond,
+	}
+
+	err := manager.Update(initialConfig)
+	require.NoError(t, err)
+
+	return manager
+}
+
+func ipAddr(a string) netip.Addr {
+	addr, _ := netip.ParseAddr(a)
+	return addr
+}
diff --git a/client/internal/netflow/store/event_aggregation_test.go b/client/internal/netflow/store/event_aggregation_test.go
new file mode 100644
index 00000000000..c0422e8b72b
--- /dev/null
+++ b/client/internal/netflow/store/event_aggregation_test.go
@@ -0,0 +1,362 @@
+package store
+
+import (
+	"math/rand"
+	"net/netip"
+	"testing"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/netbirdio/netbird/client/internal/netflow/types"
+	"github.com/stretchr/testify/assert"
+)
+
+var random = rand.New(rand.NewSource(time.Now().UnixNano()))
+
+func TestFlowAggregation(t *testing.T) {
+	var protocols = []types.Protocol{types.ICMP, types.ICMPv6, types.TCP, types.UDP}
+	var tests = []struct {
+		description string
+		addresses   [][]netip.Addr
+		dstPort     uint16
+		eventTypes  []types.Type
+	}{
+		{
+			description: "start and stop",
+			addresses:   [][]netip.Addr{{netip.MustParseAddr("1.1.1.1"), netip.MustParseAddr("2.2.2.2")}, {netip.MustParseAddr("3.3.3.3"), netip.MustParseAddr("2.2.2.2")}},
+			dstPort:     uint16(random.Uint32() >> 16),
+			eventTypes:  []types.Type{types.TypeStart, types.TypeEnd},
+		},
+		{
+			description: "start and drop",
+			addresses:   [][]netip.Addr{{netip.MustParseAddr("1.1.1.1"), netip.MustParseAddr("2.2.2.2")}, {netip.MustParseAddr("3.3.3.3"), netip.MustParseAddr("2.2.2.2")}},
+			dstPort:     uint16(random.Uint32() >> 16),
+			eventTypes:  []types.Type{types.TypeStart, types.TypeDrop},
+		},
+		{
+			description: "start only",
+			addresses:   [][]netip.Addr{{netip.MustParseAddr("1.1.1.1"), netip.MustParseAddr("2.2.2.2")}, {netip.MustParseAddr("3.3.3.3"), netip.MustParseAddr("2.2.2.2")}},
+			dstPort:     uint16(random.Uint32() >> 16),
+			eventTypes:  []types.Type{types.TypeStart},
+		},
+		{
+			description: "drop only",
+			addresses:   [][]netip.Addr{{netip.MustParseAddr("1.1.1.1"), netip.MustParseAddr("2.2.2.2")}, {netip.MustParseAddr("3.3.3.3"), netip.MustParseAddr("2.2.2.2")}},
+			dstPort:     uint16(random.Uint32() >> 16),
+			eventTypes:  []types.Type{types.TypeDrop},
+		}}
+
+	for _, protocol := range protocols {
+		for _, tt := range tests {
+			t.Run(tt.description+" "+protocol.String(), func(t *testing.T) {
+				store := NewAggregatingMemoryStore()
+				store.WindowEnd = time.Now().Add(5 * time.Second)
+
+				allExpected := make([]*types.Event, 0)
+
+				for _, srcAndDst := range tt.addresses {
+					inEvents, expected := generateEvents(srcAndDst[0], srcAndDst[1], tt.dstPort, tt.eventTypes, protocol, types.Ingress, 0, store.WindowStart, store.WindowEnd)
+					for _, e := range inEvents {
+						store.StoreEvent(e)
+					}
+					allExpected = append(allExpected, expected)
+				}
+
+				events := store.GetAggregatedEvents()
+				assert.ElementsMatch(t, events, allExpected)
+			})
+		}
+	}
+}
+
+func TestIcmpEventAggregation(t *testing.T) {
+	var protocols = []types.Protocol{types.ICMP, types.ICMPv6}
+	var icmpTypes = []uint8{1, 2, 3}
+
+	var tests = []struct {
+		description string
+		addresses   [][]netip.Addr
+		eventTypes  []types.Type
+	}{
+		{
+			description: "start and stop",
+			addresses:   [][]netip.Addr{{netip.MustParseAddr("1.1.1.1"), netip.MustParseAddr("2.2.2.2")}},
+			eventTypes:  []types.Type{types.TypeStart, types.TypeEnd},
+		},
+		{
+			description: "start and drop",
+			addresses:   [][]netip.Addr{{netip.MustParseAddr("1.1.1.1"), netip.MustParseAddr("2.2.2.2")}},
+			eventTypes:  []types.Type{types.TypeStart, types.TypeDrop},
+		},
+		{
+			description: "start only",
+			addresses:   [][]netip.Addr{{netip.MustParseAddr("1.1.1.1"), netip.MustParseAddr("2.2.2.2")}},
+			eventTypes:  []types.Type{types.TypeStart},
+		},
+		{
+			description: "drop only",
+			addresses:   [][]netip.Addr{{netip.MustParseAddr("1.1.1.1"), netip.MustParseAddr("2.2.2.2")}},
+			eventTypes:  []types.Type{types.TypeDrop},
+		}}
+
+	for _, protocol := range protocols {
+		for _, tt := range tests {
+			t.Run(tt.description+" "+protocol.String(), func(t *testing.T) {
+				store := NewAggregatingMemoryStore()
+				store.WindowEnd = time.Now().Add(5 * time.Second)
+
+				allExpected := make([]*types.Event, 0)
+				for _, icmpType := range icmpTypes {
+					events, expected := generateEvents(tt.addresses[0][0], tt.addresses[0][1], 0, tt.eventTypes, protocol, types.Ingress, icmpType, store.WindowStart, store.WindowEnd)
+					for _, e := range events {
+						store.StoreEvent(e)
+					}
+					allExpected = append(allExpected, expected)
+				}
+				aggregatedEvents := store.GetAggregatedEvents()
+				assert.Len(t, aggregatedEvents, len(allExpected))
+				assert.ElementsMatch(t, aggregatedEvents, allExpected)
+			})
+		}
+	}
+}
+
+func TestFlowAggregationOfUnknownProtocols(t *testing.T) {
+	var tests = []struct {
+		description string
+		addresses   [][]netip.Addr
+		dstPort     uint16
+		eventTypes  []types.Type
+	}{
+		{
+			description: "start and stop",
+			addresses:   [][]netip.Addr{{netip.MustParseAddr("1.1.1.1"), netip.MustParseAddr("2.2.2.2")}, {netip.MustParseAddr("3.3.3.3"), netip.MustParseAddr("2.2.2.2")}},
+			dstPort:     uint16(random.Uint32() >> 16),
+			eventTypes:  []types.Type{types.TypeStart, types.TypeEnd},
+		},
+		{
+			description: "start and drop",
+			addresses:   [][]netip.Addr{{netip.MustParseAddr("1.1.1.1"), netip.MustParseAddr("2.2.2.2")}, {netip.MustParseAddr("3.3.3.3"), netip.MustParseAddr("2.2.2.2")}},
+			dstPort:     uint16(random.Uint32() >> 16),
+			eventTypes:  []types.Type{types.TypeStart, types.TypeDrop},
+		},
+		{
+			description: "start only",
+			addresses:   [][]netip.Addr{{netip.MustParseAddr("1.1.1.1"), netip.MustParseAddr("2.2.2.2")}, {netip.MustParseAddr("3.3.3.3"), netip.MustParseAddr("2.2.2.2")}},
+			dstPort:     uint16(random.Uint32() >> 16),
+			eventTypes:  []types.Type{types.TypeStart},
+		},
+		{
+			description: "drop only",
+			addresses:   [][]netip.Addr{{netip.MustParseAddr("1.1.1.1"), netip.MustParseAddr("2.2.2.2")}, {netip.MustParseAddr("3.3.3.3"), netip.MustParseAddr("2.2.2.2")}},
+			dstPort:     uint16(random.Uint32() >> 16),
+			eventTypes:  []types.Type{types.TypeDrop},
+		}}
+
+	for _, tt := range tests {
+		t.Run(tt.description+" "+types.ProtocolUnknown.String(), func(t *testing.T) {
+			store := NewAggregatingMemoryStore()
+			store.WindowEnd = time.Now().Add(5 * time.Second)
+
+			allExpected := make([]*types.Event, 0)
+
+			for _, srcAndDst := range tt.addresses {
+				inEvents, expected := generateEventsForUnknownProtocol(srcAndDst[0], srcAndDst[1], tt.dstPort, tt.eventTypes, types.ProtocolUnknown, types.Ingress, store.WindowStart, store.WindowEnd)
+				for _, e := range inEvents {
+					store.StoreEvent(e)
+				}
+				allExpected = append(allExpected, expected...)
+			}
+
+			events := store.GetAggregatedEvents()
+			assert.ElementsMatch(t, events, allExpected)
+		})
+	}
+}
+
+func TestResetAggregationWindow(t *testing.T) {
+	store := NewAggregatingMemoryStore()
+	store.StoreEvent(&types.Event{
+		ID:        uuid.New(),
+		Timestamp: time.Now(),
+		EventFields: types.EventFields{
+			FlowID:           uuid.New(),
+			Type:             types.TypeStart,
+			Protocol:         types.TCP,
+			RuleID:           []byte("rule-id-1"),
+			Direction:        types.Ingress,
+			SourceIP:         netip.MustParseAddr("1.1.1.1"),
+			SourcePort:       1234,
+			DestIP:           netip.MustParseAddr("2.2.2.2"),
+			DestPort:         5678,
+			SourceResourceID: []byte("source-resource-id"),
+			DestResourceID:   []byte("dest-resource-id"),
+			RxPackets:        random.Uint64(),
+			TxPackets:        random.Uint64(),
+			RxBytes:          random.Uint64(),
+			TxBytes:          random.Uint64(),
+		},
+	})
+
+	reset := store.ResetAggregationWindow()
+	previousEvents, ok := reset.(*AggregatingMemory)
+	assert.True(t, ok)
+	assert.NotEqual(t, previousEvents.WindowStart, store.WindowStart)
+	assert.Equal(t, previousEvents.WindowEnd, store.WindowStart)
+	assert.NotEmpty(t, previousEvents.events)
+	assert.Empty(t, store.events)
+}
+
+func generateEvents(srcIp, dstIp netip.Addr, dstPort uint16, eventTypes []types.Type, protocol types.Protocol,
+	direction types.Direction, icmpType uint8, windowStart, windowEnd time.Time) ([]*types.Event, *types.Event) {
+	var rxPackets, txPackets, rxBytes, txBytes uint64
+	inEvents := make([]*types.Event, 0)
+	ts := time.Now()
+	flowId := uuid.New()
+	srcPort := uint16(random.Uint32() >> 16)
+
+	for idx, eventType := range eventTypes {
+		e := &types.Event{
+			ID:        uuid.New(),
+			Timestamp: ts.Add(time.Duration(idx) * time.Second),
+			EventFields: types.EventFields{
+				FlowID:           flowId,
+				Type:             eventType,
+				Protocol:         protocol,
+				RuleID:           []byte("rule-id-1"),
+				Direction:        direction,
+				SourceIP:         srcIp,
+				SourcePort:       srcPort,
+				DestIP:           dstIp,
+				DestPort:         dstPort,
+				SourceResourceID: []byte("source-resource-id"),
+				DestResourceID:   []byte("dest-resource-id"),
+				RxPackets:        random.Uint64(),
+				TxPackets:        random.Uint64(),
+				RxBytes:          random.Uint64(),
+				TxBytes:          random.Uint64(),
+			}}
+		rxBytes += e.RxBytes
+		txBytes += e.TxBytes
+		rxPackets += e.RxPackets
+		txPackets += e.TxPackets
+		inEvents = append(inEvents, e)
+		if protocol == types.ICMP || protocol == types.ICMPv6 {
+			e.ICMPType = icmpType
+		}
+	}
+
+	var start, end, drop uint64
+	for _, eventType := range eventTypes {
+		switch eventType {
+		case types.TypeStart:
+			start += 1
+		case types.TypeDrop:
+			drop += 1
+		case types.TypeEnd:
+			end += 1
+		}
+	}
+	aggregatedEvent := &types.Event{
+		ID:          inEvents[0].ID,
+		Timestamp:   inEvents[0].Timestamp,
+		WindowStart: windowStart,
+		WindowEnd:   windowEnd,
+		EventFields: types.EventFields{
+			FlowID:           flowId,
+			Type:             types.TypeUnknown,
+			Protocol:         inEvents[0].Protocol,
+			RuleID:           []byte("rule-id-1"),
+			Direction:        inEvents[0].Direction,
+			SourceIP:         srcIp,
+			SourcePort:       srcPort,
+			DestIP:           dstIp,
+			DestPort:         dstPort,
+			SourceResourceID: []byte("source-resource-id"),
+			DestResourceID:   []byte("dest-resource-id"),
+			RxPackets:        rxPackets,
+			TxPackets:        txPackets,
+			RxBytes:          rxBytes,
+			TxBytes:          txBytes,
+			NumOfStarts:      start,
+			NumOfEnds:        end,
+			NumOfDrops:       drop,
+		}}
+	if protocol == types.ICMP || protocol == types.ICMPv6 {
+		aggregatedEvent.ICMPType = icmpType
+	}
+
+	return inEvents, aggregatedEvent
+}
+
+func generateEventsForUnknownProtocol(srcIp, dstIp netip.Addr, dstPort uint16, eventTypes []types.Type, protocol types.Protocol,
+	direction types.Direction, windowStart, windowEnd time.Time) ([]*types.Event, []*types.Event) {
+	inEvents := make([]*types.Event, 0)
+	expectedEvents := make([]*types.Event, 0)
+
+	ts := time.Now()
+	flowId := uuid.New()
+	srcPort := uint16(random.Uint32() >> 16)
+
+	for idx, eventType := range eventTypes {
+		e := &types.Event{
+			ID:        uuid.New(),
+			Timestamp: ts.Add(time.Duration(idx) * time.Second),
+			EventFields: types.EventFields{
+				FlowID:           flowId,
+				Type:             eventType,
+				Protocol:         protocol,
+				RuleID:           []byte("rule-id-1"),
+				Direction:        direction,
+				SourceIP:         srcIp,
+				SourcePort:       srcPort,
+				DestIP:           dstIp,
+				DestPort:         dstPort,
+				SourceResourceID: []byte("source-resource-id"),
+				DestResourceID:   []byte("dest-resource-id"),
+				RxPackets:        random.Uint64(),
+				TxPackets:        random.Uint64(),
+				RxBytes:          random.Uint64(),
+				TxBytes:          random.Uint64(),
+			}}
+		inEvents = append(inEvents, e)
+
+		var start, end, drop uint64
+		switch eventType {
+		case types.TypeStart:
+			start = 1
+		case types.TypeDrop:
+			drop = 1
+		case types.TypeEnd:
+			end = 1
+		}
+
+		expectedEvents = append(expectedEvents, &types.Event{
+			ID:          e.ID,
+			Timestamp:   e.Timestamp,
+			WindowStart: windowStart,
+			WindowEnd:   windowEnd,
+			EventFields: types.EventFields{
+				FlowID:           flowId,
+				Type:             types.TypeUnknown,
+				Protocol:         e.Protocol,
+				RuleID:           []byte("rule-id-1"),
+				Direction:        e.Direction,
+				SourceIP:         srcIp,
+				SourcePort:       srcPort,
+				DestIP:           dstIp,
+				DestPort:         dstPort,
+				SourceResourceID: []byte("source-resource-id"),
+				DestResourceID:   []byte("dest-resource-id"),
+				RxPackets:        e.RxPackets,
+				TxPackets:        e.TxPackets,
+				RxBytes:          e.RxBytes,
+				TxBytes:          e.TxBytes,
+				NumOfStarts:      start,
+				NumOfEnds:        end,
+				NumOfDrops:       drop,
+			}})
+	}
+
+	return inEvents, expectedEvents
+}
diff --git a/client/internal/netflow/store/memory.go b/client/internal/netflow/store/memory.go
index a44505e96f9..a34e4be632d 100644
--- a/client/internal/netflow/store/memory.go
+++ b/client/internal/netflow/store/memory.go
@@ -1,10 +1,15 @@
 package store
 
 import (
+	"maps"
+	"math/rand"
+	v2 "math/rand/v2"
+	"net/netip"
+	"slices"
 	"sync"
+	"time"
 
 	"github.com/google/uuid"
-
 	"github.com/netbirdio/netbird/client/internal/netflow/types"
 )
 
@@ -19,6 +24,13 @@ type Memory struct {
 	events map[uuid.UUID]*types.Event
 }
 
+type AggregatingMemory struct {
+	Memory
+	WindowStart time.Time
+	WindowEnd   time.Time
+	rnd         *v2.PCG
+}
+
 func (m *Memory) StoreEvent(event *types.Event) {
 	m.mux.Lock()
 	defer m.mux.Unlock()
@@ -48,3 +60,95 @@ func (m *Memory) DeleteEvents(ids []uuid.UUID) {
 		delete(m.events, id)
 	}
 }
+
+func NewAggregatingMemoryStore() *AggregatingMemory {
+	return &AggregatingMemory{WindowStart: time.Now(), Memory: Memory{events: make(map[uuid.UUID]*types.Event)}, rnd: v2.NewPCG(rand.Uint64(), rand.Uint64())}
+}
+
+func (am *AggregatingMemory) ResetAggregationWindow() types.FlowEventAggregator {
+	am.mux.Lock()
+	defer am.mux.Unlock()
+
+	now := time.Now()
+	toret := AggregatingMemory{WindowStart: am.WindowStart, WindowEnd: now, Memory: Memory{events: am.events}, rnd: v2.NewPCG(rand.Uint64(), rand.Uint64())}
+
+	am.events = make(map[uuid.UUID]*types.Event)
+	am.WindowStart = now
+
+	return &toret
+}
+
+type aggregationKey struct {
+	srcAddr   netip.Addr
+	destAddr  netip.Addr
+	destPort  uint16
+	direction int
+	protocol  uint8
+	icmpType  uint8
+	unique    uint64 // used to prevent aggregation on non icmp/udp/tcp events
+}
+
+func (am *AggregatingMemory) GetAggregatedEvents() []*types.Event {
+	am.mux.Lock()
+	defer am.mux.Unlock()
+
+	aggregated := make(map[aggregationKey]*types.Event)
+	for _, v := range am.events {
+		lookupKey := aggregationKey{srcAddr: v.SourceIP, destAddr: v.DestIP, destPort: v.DestPort, direction: int(v.Direction), protocol: uint8(v.Protocol), icmpType: v.ICMPType}
+		if _, ok := aggregated[lookupKey]; !ok {
+			event := v.Clone()
+
+			switch event.Type {
+			case types.TypeStart:
+				event.NumOfStarts += 1
+			case types.TypeDrop:
+				event.NumOfDrops += 1
+			case types.TypeEnd:
+				event.NumOfEnds += 1
+			}
+			event.Type = types.TypeUnknown
+
+			// Please note that ICMPCode field isn't propagated by the manager (see flow/proto/flow.pb.go, FlowFields struct)
+			// so the field value in an icmp event in the "aggregated" doesn't matter
+
+			event.WindowStart = am.WindowStart
+			event.WindowEnd = am.WindowEnd
+
+			if event.Protocol != types.ICMP && event.Protocol != types.ICMPv6 && event.Protocol != types.UDP && event.Protocol != types.TCP {
+				lookupKey.unique = am.rnd.Uint64() // to make the lookup key unique so we don't aggregate on it
+			}
+
+			aggregated[lookupKey] = event
+			continue
+		}
+
+		aggregatedEvent := aggregated[lookupKey]
+		if aggregatedEvent.Protocol != types.ICMP && aggregatedEvent.Protocol != types.ICMPv6 && aggregatedEvent.Protocol != types.UDP && aggregatedEvent.Protocol != types.TCP {
+			continue // we don't aggregate this type of events; shouldn't ever get here
+		}
+
+		// track the number of connections, duration?, open and close events?
+		aggregatedEvent.RxBytes += v.RxBytes
+		aggregatedEvent.RxPackets += v.RxPackets
+		aggregatedEvent.TxBytes += v.TxBytes
+		aggregatedEvent.TxPackets += v.TxPackets
+		switch v.Type {
+		case types.TypeStart:
+			aggregatedEvent.NumOfStarts += 1
+		case types.TypeDrop:
+			aggregatedEvent.NumOfDrops += 1
+		case types.TypeEnd:
+			aggregatedEvent.NumOfEnds += 1
+		}
+		if aggregatedEvent.Timestamp.Compare(v.Timestamp) > 0 {
+			aggregatedEvent.Timestamp = v.Timestamp
+			aggregatedEvent.ID = v.ID
+			aggregatedEvent.SourcePort = v.SourcePort
+		}
+		if len(aggregatedEvent.RuleID) == 0 && len(v.RuleID) != 0 {
+			aggregatedEvent.RuleID = slices.Clone(v.RuleID)
+		}
+	}
+
+	return slices.Collect(maps.Values(aggregated)) // could return an iterator instead here
+}
diff --git a/client/internal/netflow/types/types.go b/client/internal/netflow/types/types.go
index 3f7d0d0add2..ccb2da66bf9 100644
--- a/client/internal/netflow/types/types.go
+++ b/client/internal/netflow/types/types.go
@@ -2,6 +2,7 @@ package types
 
 import (
 	"net/netip"
+	"slices"
 	"strconv"
 	"time"
 
@@ -69,8 +70,10 @@ const (
 )
 
 type Event struct {
-	ID        uuid.UUID
-	Timestamp time.Time
+	ID          uuid.UUID
+	Timestamp   time.Time
+	WindowStart time.Time
+	WindowEnd   time.Time
 	EventFields
 }
 
@@ -92,6 +95,17 @@ type EventFields struct {
 	TxPackets        uint64
 	RxBytes          uint64
 	TxBytes          uint64
+	NumOfStarts      uint64
+	NumOfEnds        uint64
+	NumOfDrops       uint64
+}
+
+func (e *Event) Clone() *Event {
+	toret := *e
+	toret.RuleID = slices.Clone(e.RuleID)
+	toret.SourceResourceID = slices.Clone(e.SourceResourceID)
+	toret.DestResourceID = slices.Clone(e.DestResourceID)
+	return &toret
 }
 
 type FlowConfig struct {
@@ -114,13 +128,15 @@ type FlowManager interface {
 	GetLogger() FlowLogger
 }
 
+type FlowEventAggregator interface {
+	ResetAggregationWindow() FlowEventAggregator
+	GetAggregatedEvents() []*Event
+}
+
 type FlowLogger interface {
+	ResetAggregationWindow() FlowEventAggregator
 	// StoreEvent stores a flow event
 	StoreEvent(flowEvent EventFields)
-	// GetEvents returns all stored events
-	GetEvents() []*Event
-	// DeleteEvents deletes events from the store
-	DeleteEvents([]uuid.UUID)
 	// Close closes the logger
 	Close()
 	// Enable enables the flow logger receiver
@@ -140,6 +156,11 @@ type Store interface {
 	Close()
 }
 
+type AggregatingStore interface {
+	FlowEventAggregator
+	Store
+}
+
 // ConnTracker defines the interface for connection tracking functionality
 type ConnTracker interface {
 	// Start begins tracking connections by listening for conntrack events.
diff --git a/flow/client/client.go b/flow/client/client.go
index 180a4b441d3..3f31c2464a0 100644
--- a/flow/client/client.go
+++ b/flow/client/client.go
@@ -109,7 +109,7 @@ func (c *GRPCClient) Close() error {
 func (c *GRPCClient) Send(event *proto.FlowEvent) error {
 	c.mu.Lock()
 	stream := c.stream
-	c.mu.Unlock()
+	defer c.mu.Unlock() // stream.Send() is not safe to call concurrently from multiple goroutines
 
 	if stream == nil {
 		return errors.New("stream not initialized")
diff --git a/flow/proto/flow.pb.go b/flow/proto/flow.pb.go
index 04e6e379217..710024f0eb4 100644
--- a/flow/proto/flow.pb.go
+++ b/flow/proto/flow.pb.go
@@ -134,9 +134,11 @@ type FlowEvent struct {
 	// When the event occurred
 	Timestamp *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
 	// Public key of the sending peer
-	PublicKey   []byte      `protobuf:"bytes,3,opt,name=public_key,json=publicKey,proto3" json:"public_key,omitempty"`
-	FlowFields  *FlowFields `protobuf:"bytes,4,opt,name=flow_fields,json=flowFields,proto3" json:"flow_fields,omitempty"`
-	IsInitiator bool        `protobuf:"varint,5,opt,name=isInitiator,proto3" json:"isInitiator,omitempty"`
+	PublicKey   []byte                 `protobuf:"bytes,3,opt,name=public_key,json=publicKey,proto3" json:"public_key,omitempty"`
+	FlowFields  *FlowFields            `protobuf:"bytes,4,opt,name=flow_fields,json=flowFields,proto3" json:"flow_fields,omitempty"`
+	IsInitiator bool                   `protobuf:"varint,5,opt,name=isInitiator,proto3" json:"isInitiator,omitempty"`
+	WindowStart *timestamppb.Timestamp `protobuf:"bytes,6,opt,name=window_start,json=windowStart,proto3" json:"window_start,omitempty"`
+	WindowEnd   *timestamppb.Timestamp `protobuf:"bytes,7,opt,name=window_end,json=windowEnd,proto3" json:"window_end,omitempty"`
 }
 
 func (x *FlowEvent) Reset() {
@@ -206,6 +208,20 @@ func (x *FlowEvent) GetIsInitiator() bool {
 	return false
 }
 
+func (x *FlowEvent) GetWindowStart() *timestamppb.Timestamp {
+	if x != nil {
+		return x.WindowStart
+	}
+	return nil
+}
+
+func (x *FlowEvent) GetWindowEnd() *timestamppb.Timestamp {
+	if x != nil {
+		return x.WindowEnd
+	}
+	return nil
+}
+
 type FlowEventAck struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -284,7 +300,6 @@ type FlowFields struct {
 	// Layer 4 -specific information
 	//
 	// Types that are assignable to ConnectionInfo:
-	//
 	//	*FlowFields_PortInfo
 	//	*FlowFields_IcmpInfo
 	ConnectionInfo isFlowFields_ConnectionInfo `protobuf_oneof:"connection_info"`
@@ -297,6 +312,9 @@ type FlowFields struct {
 	// Resource ID
 	SourceResourceId []byte `protobuf:"bytes,14,opt,name=source_resource_id,json=sourceResourceId,proto3" json:"source_resource_id,omitempty"`
 	DestResourceId   []byte `protobuf:"bytes,15,opt,name=dest_resource_id,json=destResourceId,proto3" json:"dest_resource_id,omitempty"`
+	NumOfStarts      uint64 `protobuf:"varint,16,opt,name=num_of_starts,json=numOfStarts,proto3" json:"num_of_starts,omitempty"`
+	NumOfEnds        uint64 `protobuf:"varint,17,opt,name=num_of_ends,json=numOfEnds,proto3" json:"num_of_ends,omitempty"`
+	NumOfDrops       uint64 `protobuf:"varint,18,opt,name=num_of_drops,json=numOfDrops,proto3" json:"num_of_drops,omitempty"`
 }
 
 func (x *FlowFields) Reset() {
@@ -443,6 +461,27 @@ func (x *FlowFields) GetDestResourceId() []byte {
 	return nil
 }
 
+func (x *FlowFields) GetNumOfStarts() uint64 {
+	if x != nil {
+		return x.NumOfStarts
+	}
+	return 0
+}
+
+func (x *FlowFields) GetNumOfEnds() uint64 {
+	if x != nil {
+		return x.NumOfEnds
+	}
+	return 0
+}
+
+func (x *FlowFields) GetNumOfDrops() uint64 {
+	if x != nil {
+		return x.NumOfDrops
+	}
+	return 0
+}
+
 type isFlowFields_ConnectionInfo interface {
 	isFlowFields_ConnectionInfo()
 }
@@ -579,7 +618,7 @@ var file_flow_proto_rawDesc = []byte{
 	0x0a, 0x0a, 0x66, 0x6c, 0x6f, 0x77, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x04, 0x66, 0x6c,
 	0x6f, 0x77, 0x1a, 0x1f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 	0x62, 0x75, 0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72,
-	0x6f, 0x74, 0x6f, 0x22, 0xd4, 0x01, 0x0a, 0x09, 0x46, 0x6c, 0x6f, 0x77, 0x45, 0x76, 0x65, 0x6e,
+	0x6f, 0x74, 0x6f, 0x22, 0xce, 0x02, 0x0a, 0x09, 0x46, 0x6c, 0x6f, 0x77, 0x45, 0x76, 0x65, 0x6e,
 	0x74, 0x12, 0x19, 0x0a, 0x08, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x5f, 0x69, 0x64, 0x18, 0x01, 0x20,
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@@ -683,17 +736,19 @@ var file_flow_proto_goTypes = []interface{}{
 var file_flow_proto_depIdxs = []int32{
 	7, // 0: flow.FlowEvent.timestamp:type_name -> google.protobuf.Timestamp
 	4, // 1: flow.FlowEvent.flow_fields:type_name -> flow.FlowFields
-	0, // 2: flow.FlowFields.type:type_name -> flow.Type
-	1, // 3: flow.FlowFields.direction:type_name -> flow.Direction
-	5, // 4: flow.FlowFields.port_info:type_name -> flow.PortInfo
-	6, // 5: flow.FlowFields.icmp_info:type_name -> flow.ICMPInfo
-	2, // 6: flow.FlowService.Events:input_type -> flow.FlowEvent
-	3, // 7: flow.FlowService.Events:output_type -> flow.FlowEventAck
-	7, // [7:8] is the sub-list for method output_type
-	6, // [6:7] is the sub-list for method input_type
-	6, // [6:6] is the sub-list for extension type_name
-	6, // [6:6] is the sub-list for extension extendee
-	0, // [0:6] is the sub-list for field type_name
+	7, // 2: flow.FlowEvent.window_start:type_name -> google.protobuf.Timestamp
+	7, // 3: flow.FlowEvent.window_end:type_name -> google.protobuf.Timestamp
+	0, // 4: flow.FlowFields.type:type_name -> flow.Type
+	1, // 5: flow.FlowFields.direction:type_name -> flow.Direction
+	5, // 6: flow.FlowFields.port_info:type_name -> flow.PortInfo
+	6, // 7: flow.FlowFields.icmp_info:type_name -> flow.ICMPInfo
+	2, // 8: flow.FlowService.Events:input_type -> flow.FlowEvent
+	3, // 9: flow.FlowService.Events:output_type -> flow.FlowEventAck
+	9, // [9:10] is the sub-list for method output_type
+	8, // [8:9] is the sub-list for method input_type
+	8, // [8:8] is the sub-list for extension type_name
+	8, // [8:8] is the sub-list for extension extendee
+	0, // [0:8] is the sub-list for field type_name
 }
 
 func init() { file_flow_proto_init() }
diff --git a/flow/proto/flow.proto b/flow/proto/flow.proto
index ff5c502822a..1c9e728d28b 100644
--- a/flow/proto/flow.proto
+++ b/flow/proto/flow.proto
@@ -24,6 +24,9 @@ message FlowEvent {
   FlowFields flow_fields = 4;
 
   bool isInitiator = 5;
+
+  google.protobuf.Timestamp window_start = 6;
+  google.protobuf.Timestamp window_end = 7;
 }
 
 message FlowEventAck {
@@ -75,6 +78,9 @@ message FlowFields {
   bytes source_resource_id = 14;
   bytes dest_resource_id = 15;
 
+  uint64 num_of_starts = 16;
+  uint64 num_of_ends = 17;
+  uint64 num_of_drops = 18;
 }
 
 // Flow event types
diff --git a/flow/proto/flow_grpc.pb.go b/flow/proto/flow_grpc.pb.go
index b790f86a263..9ae9702a5aa 100644
--- a/flow/proto/flow_grpc.pb.go
+++ b/flow/proto/flow_grpc.pb.go
@@ -1,4 +1,8 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.6.1
+// - protoc             v3.21.9
+// source: flow.proto
 
 package proto
 
@@ -11,15 +15,19 @@ import (
 
 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
-// Requires gRPC-Go v1.32.0 or later.
-const _ = grpc.SupportPackageIsVersion7
+// Requires gRPC-Go v1.64.0 or later.
+const _ = grpc.SupportPackageIsVersion9
+
+const (
+	FlowService_Events_FullMethodName = "/flow.FlowService/Events"
+)
 
 // FlowServiceClient is the client API for FlowService service.
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type FlowServiceClient interface {
 	// Client to receiver streams of events and acknowledgements
-	Events(ctx context.Context, opts ...grpc.CallOption) (FlowService_EventsClient, error)
+	Events(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[FlowEvent, FlowEventAck], error)
 }
 
 type flowServiceClient struct {
@@ -30,54 +38,40 @@ func NewFlowServiceClient(cc grpc.ClientConnInterface) FlowServiceClient {
 	return &flowServiceClient{cc}
 }
 
-func (c *flowServiceClient) Events(ctx context.Context, opts ...grpc.CallOption) (FlowService_EventsClient, error) {
-	stream, err := c.cc.NewStream(ctx, &FlowService_ServiceDesc.Streams[0], "/flow.FlowService/Events", opts...)
+func (c *flowServiceClient) Events(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[FlowEvent, FlowEventAck], error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	stream, err := c.cc.NewStream(ctx, &FlowService_ServiceDesc.Streams[0], FlowService_Events_FullMethodName, cOpts...)
 	if err != nil {
 		return nil, err
 	}
-	x := &flowServiceEventsClient{stream}
+	x := &grpc.GenericClientStream[FlowEvent, FlowEventAck]{ClientStream: stream}
 	return x, nil
 }
 
-type FlowService_EventsClient interface {
-	Send(*FlowEvent) error
-	Recv() (*FlowEventAck, error)
-	grpc.ClientStream
-}
-
-type flowServiceEventsClient struct {
-	grpc.ClientStream
-}
-
-func (x *flowServiceEventsClient) Send(m *FlowEvent) error {
-	return x.ClientStream.SendMsg(m)
-}
-
-func (x *flowServiceEventsClient) Recv() (*FlowEventAck, error) {
-	m := new(FlowEventAck)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type FlowService_EventsClient = grpc.BidiStreamingClient[FlowEvent, FlowEventAck]
 
 // FlowServiceServer is the server API for FlowService service.
 // All implementations must embed UnimplementedFlowServiceServer
-// for forward compatibility
+// for forward compatibility.
 type FlowServiceServer interface {
 	// Client to receiver streams of events and acknowledgements
-	Events(FlowService_EventsServer) error
+	Events(grpc.BidiStreamingServer[FlowEvent, FlowEventAck]) error
 	mustEmbedUnimplementedFlowServiceServer()
 }
 
-// UnimplementedFlowServiceServer must be embedded to have forward compatible implementations.
-type UnimplementedFlowServiceServer struct {
-}
+// UnimplementedFlowServiceServer must be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedFlowServiceServer struct{}
 
-func (UnimplementedFlowServiceServer) Events(FlowService_EventsServer) error {
-	return status.Errorf(codes.Unimplemented, "method Events not implemented")
+func (UnimplementedFlowServiceServer) Events(grpc.BidiStreamingServer[FlowEvent, FlowEventAck]) error {
+	return status.Error(codes.Unimplemented, "method Events not implemented")
 }
 func (UnimplementedFlowServiceServer) mustEmbedUnimplementedFlowServiceServer() {}
+func (UnimplementedFlowServiceServer) testEmbeddedByValue()                     {}
 
 // UnsafeFlowServiceServer may be embedded to opt out of forward compatibility for this service.
 // Use of this interface is not recommended, as added methods to FlowServiceServer will
@@ -87,34 +81,22 @@ type UnsafeFlowServiceServer interface {
 }
 
 func RegisterFlowServiceServer(s grpc.ServiceRegistrar, srv FlowServiceServer) {
+	// If the following call panics, it indicates UnimplementedFlowServiceServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
 	s.RegisterService(&FlowService_ServiceDesc, srv)
 }
 
 func _FlowService_Events_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(FlowServiceServer).Events(&flowServiceEventsServer{stream})
-}
-
-type FlowService_EventsServer interface {
-	Send(*FlowEventAck) error
-	Recv() (*FlowEvent, error)
-	grpc.ServerStream
-}
-
-type flowServiceEventsServer struct {
-	grpc.ServerStream
+	return srv.(FlowServiceServer).Events(&grpc.GenericServerStream[FlowEvent, FlowEventAck]{ServerStream: stream})
 }
 
-func (x *flowServiceEventsServer) Send(m *FlowEventAck) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func (x *flowServiceEventsServer) Recv() (*FlowEvent, error) {
-	m := new(FlowEvent)
-	if err := x.ServerStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type FlowService_EventsServer = grpc.BidiStreamingServer[FlowEvent, FlowEventAck]
 
 // FlowService_ServiceDesc is the grpc.ServiceDesc for FlowService service.
 // It's only intended for direct use with grpc.RegisterService,
diff --git a/shared/management/http/api/openapi.yml b/shared/management/http/api/openapi.yml
index f746b31f488..c5492eb7901 100644
--- a/shared/management/http/api/openapi.yml
+++ b/shared/management/http/api/openapi.yml
@@ -2769,6 +2769,28 @@ components:
           type: integer
           description: "Number of packets transmitted."
           example: 5
+        num_of_starts:
+          type: integer
+          description: "Number of start events."
+          example: 3
+        num_of_ends:
+          type: integer
+          description: "Number of end events."
+          example: 4
+        num_of_drops:
+          type: integer
+          description: "Number of drop events."
+          example: 5
+        window_start:
+          type: string
+          format: date-time
+          description: Timestamp of the start of the aggregation window.
+          example: 2025-03-20T16:23:58.125397Z
+        window_end:
+          type: string
+          format: date-time
+          description: Timestamp of the end of the aggregation window.
+          example: 2025-03-20T16:23:58.125397Z
         events:
           type: array
           description: "List of events that are correlated to this flow (e.g., start, end)."
@@ -2790,6 +2812,11 @@ components:
         - rx_packets
         - tx_bytes
         - tx_packets
+        - num_of_starts
+        - num_of_ends
+        - num_of_drops
+        - window_start
+        - window_end
         - events
     NetworkTrafficEventsResponse:
       type: object
diff --git a/shared/management/http/api/types.gen.go b/shared/management/http/api/types.gen.go
index 3b587c4bf33..50bcd3487bb 100644
--- a/shared/management/http/api/types.gen.go
+++ b/shared/management/http/api/types.gen.go
@@ -3709,9 +3709,18 @@ type NetworkTrafficEvent struct {
 	Events []NetworkTrafficSubEvent `json:"events"`
 
 	// FlowId FlowID is the ID of the connection flow. Not unique because it can be the same for multiple events (e.g., start and end of the connection).
-	FlowId string               `json:"flow_id"`
-	Icmp   NetworkTrafficICMP   `json:"icmp"`
-	Policy NetworkTrafficPolicy `json:"policy"`
+	FlowId string             `json:"flow_id"`
+	Icmp   NetworkTrafficICMP `json:"icmp"`
+
+	// NumOfDrops Number of drop events.
+	NumOfDrops int `json:"num_of_drops"`
+
+	// NumOfEnds Number of end events.
+	NumOfEnds int `json:"num_of_ends"`
+
+	// NumOfStarts Number of start events.
+	NumOfStarts int                  `json:"num_of_starts"`
+	Policy      NetworkTrafficPolicy `json:"policy"`
 
 	// Protocol Protocol is the protocol of the traffic (e.g. 1 = ICMP, 6 = TCP, 17 = UDP, etc.).
 	Protocol int `json:"protocol"`
@@ -3732,6 +3741,12 @@ type NetworkTrafficEvent struct {
 	// TxPackets Number of packets transmitted.
 	TxPackets int                `json:"tx_packets"`
 	User      NetworkTrafficUser `json:"user"`
+
+	// WindowEnd Timestamp of the end of the aggregation window.
+	WindowEnd time.Time `json:"window_end"`
+
+	// WindowStart Timestamp of the start of the aggregation window.
+	WindowStart time.Time `json:"window_start"`
 }
 
 // NetworkTrafficEventsResponse defines model for NetworkTrafficEventsResponse.