diff --git a/client/internal/netflow/logger/logger.go b/client/internal/netflow/logger/logger.go
index 6569b75b7..403bdb45c 100644
--- a/client/internal/netflow/logger/logger.go
+++ b/client/internal/netflow/logger/logger.go
@@ -74,7 +74,7 @@ func (l *Logger) startReceiver() {
 			log.Info("flow Memory store receiver stopped")
 			return
 		case eventFields := <-c:
-			id := uuid.NewString()
+			id := uuid.New()
 			event := types.Event{
 				ID:          id,
 				EventFields: *eventFields,
@@ -109,7 +109,7 @@ func (l *Logger) GetEvents() []*types.Event {
 	return l.Store.GetEvents()
 }
 
-func (l *Logger) DeleteEvents(ids []string) {
+func (l *Logger) DeleteEvents(ids []uuid.UUID) {
 	l.Store.DeleteEvents(ids)
 }
 
diff --git a/client/internal/netflow/manager.go b/client/internal/netflow/manager.go
index ed5655f8a..6c5e26711 100644
--- a/client/internal/netflow/manager.go
+++ b/client/internal/netflow/manager.go
@@ -8,6 +8,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/google/uuid"
 	log "github.com/sirupsen/logrus"
 	"google.golang.org/protobuf/types/known/timestamppb"
 
@@ -169,7 +170,7 @@ func (m *Manager) startSender() {
 func (m *Manager) receiveACKs(client *client.GRPCClient) {
 	err := client.Receive(m.ctx, m.flowConfig.Interval, func(ack *proto.FlowEventAck) error {
 		log.Tracef("received flow event ack: %s", ack.EventId)
-		m.logger.DeleteEvents([]string{ack.EventId})
+		m.logger.DeleteEvents([]uuid.UUID{uuid.UUID(ack.EventId)})
 		return nil
 	})
 
@@ -192,7 +193,7 @@ func (m *Manager) send(event *nftypes.Event) error {
 
 func toProtoEvent(publicKey []byte, event *nftypes.Event) *proto.FlowEvent {
 	protoEvent := &proto.FlowEvent{
-		EventId:   event.ID,
+		EventId:   event.ID[:],
 		Timestamp: timestamppb.New(event.Timestamp),
 		PublicKey: publicKey,
 		FlowFields: &proto.FlowFields{
diff --git a/client/internal/netflow/store/memory.go b/client/internal/netflow/store/memory.go
index 7fa08b510..b695a0a12 100644
--- a/client/internal/netflow/store/memory.go
+++ b/client/internal/netflow/store/memory.go
@@ -5,18 +5,20 @@ import (
 
 	"golang.org/x/exp/maps"
 
+	"github.com/google/uuid"
+
 	"github.com/netbirdio/netbird/client/internal/netflow/types"
 )
 
 func NewMemoryStore() *Memory {
 	return &Memory{
-		events: make(map[string]*types.Event),
+		events: make(map[uuid.UUID]*types.Event),
 	}
 }
 
 type Memory struct {
 	mux    sync.Mutex
-	events map[string]*types.Event
+	events map[uuid.UUID]*types.Event
 }
 
 func (m *Memory) StoreEvent(event *types.Event) {
@@ -41,7 +43,7 @@ func (m *Memory) GetEvents() []*types.Event {
 	return events
 }
 
-func (m *Memory) DeleteEvents(ids []string) {
+func (m *Memory) DeleteEvents(ids []uuid.UUID) {
 	m.mux.Lock()
 	defer m.mux.Unlock()
 	for _, id := range ids {
diff --git a/client/internal/netflow/types/types.go b/client/internal/netflow/types/types.go
index f57fca1c9..fc90a53d6 100644
--- a/client/internal/netflow/types/types.go
+++ b/client/internal/netflow/types/types.go
@@ -64,7 +64,7 @@ const (
 )
 
 type Event struct {
-	ID        string
+	ID        uuid.UUID
 	Timestamp time.Time
 	EventFields
 }
@@ -111,7 +111,7 @@ type FlowLogger interface {
 	// GetEvents returns all stored events
 	GetEvents() []*Event
 	// DeleteEvents deletes events from the store
-	DeleteEvents([]string)
+	DeleteEvents([]uuid.UUID)
 	// Close closes the logger
 	Close()
 	// Enable enables the flow logger receiver
@@ -126,7 +126,7 @@ type Store interface {
 	// GetEvents returns all stored events
 	GetEvents() []*Event
 	// DeleteEvents deletes events from the store
-	DeleteEvents([]string)
+	DeleteEvents([]uuid.UUID)
 	// Close closes the store
 	Close()
 }
diff --git a/flow/proto/flow.pb.go b/flow/proto/flow.pb.go
index b2857c2b2..1a94fd103 100644
--- a/flow/proto/flow.pb.go
+++ b/flow/proto/flow.pb.go
@@ -130,7 +130,7 @@ type FlowEvent struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Unique client event identifier
-	EventId string `protobuf:"bytes,1,opt,name=event_id,json=eventId,proto3" json:"event_id,omitempty"`
+	EventId []byte `protobuf:"bytes,1,opt,name=event_id,json=eventId,proto3" json:"event_id,omitempty"`
 	// When the event occurred
 	Timestamp *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
 	// Public key of the sending peer
@@ -170,11 +170,11 @@ func (*FlowEvent) Descriptor() ([]byte, []int) {
 	return file_flow_proto_rawDescGZIP(), []int{0}
 }
 
-func (x *FlowEvent) GetEventId() string {
+func (x *FlowEvent) GetEventId() []byte {
 	if x != nil {
 		return x.EventId
 	}
-	return ""
+	return nil
 }
 
 func (x *FlowEvent) GetTimestamp() *timestamppb.Timestamp {
@@ -204,7 +204,7 @@ type FlowEventAck struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Unique client event identifier that has been ack'ed
-	EventId string `protobuf:"bytes,1,opt,name=event_id,json=eventId,proto3" json:"event_id,omitempty"`
+	EventId []byte `protobuf:"bytes,1,opt,name=event_id,json=eventId,proto3" json:"event_id,omitempty"`
 }
 
 func (x *FlowEventAck) Reset() {
@@ -239,11 +239,11 @@ func (*FlowEventAck) Descriptor() ([]byte, []int) {
 	return file_flow_proto_rawDescGZIP(), []int{1}
 }
 
-func (x *FlowEventAck) GetEventId() string {
+func (x *FlowEventAck) GetEventId() []byte {
 	if x != nil {
 		return x.EventId
 	}
-	return ""
+	return nil
 }
 
 type FlowFields struct {
@@ -548,7 +548,7 @@ var file_flow_proto_rawDesc = []byte{
 	0x62, 0x75, 0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72,
 	0x6f, 0x74, 0x6f, 0x22, 0xb2, 0x01, 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,
-	0x01, 0x28, 0x09, 0x52, 0x07, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x49, 0x64, 0x12, 0x38, 0x0a, 0x09,
+	0x01, 0x28, 0x0c, 0x52, 0x07, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x49, 0x64, 0x12, 0x38, 0x0a, 0x09,
 	0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32,
 	0x1a, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
 	0x66, 0x2e, 0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x52, 0x09, 0x74, 0x69, 0x6d,
@@ -559,7 +559,7 @@ var file_flow_proto_rawDesc = []byte{
 	0x77, 0x2e, 0x46, 0x6c, 0x6f, 0x77, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x73, 0x52, 0x0a, 0x66, 0x6c,
 	0x6f, 0x77, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x73, 0x22, 0x29, 0x0a, 0x0c, 0x46, 0x6c, 0x6f, 0x77,
 	0x45, 0x76, 0x65, 0x6e, 0x74, 0x41, 0x63, 0x6b, 0x12, 0x19, 0x0a, 0x08, 0x65, 0x76, 0x65, 0x6e,
-	0x74, 0x5f, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x65, 0x76, 0x65, 0x6e,
+	0x74, 0x5f, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x07, 0x65, 0x76, 0x65, 0x6e,
 	0x74, 0x49, 0x64, 0x22, 0xc4, 0x03, 0x0a, 0x0a, 0x46, 0x6c, 0x6f, 0x77, 0x46, 0x69, 0x65, 0x6c,
 	0x64, 0x73, 0x12, 0x17, 0x0a, 0x07, 0x66, 0x6c, 0x6f, 0x77, 0x5f, 0x69, 0x64, 0x18, 0x01, 0x20,
 	0x01, 0x28, 0x0c, 0x52, 0x06, 0x66, 0x6c, 0x6f, 0x77, 0x49, 0x64, 0x12, 0x1e, 0x0a, 0x04, 0x74,
diff --git a/flow/proto/flow.proto b/flow/proto/flow.proto
index 742de82f9..a4bd56137 100644
--- a/flow/proto/flow.proto
+++ b/flow/proto/flow.proto
@@ -13,7 +13,7 @@ service FlowService {
 
 message FlowEvent {
   // Unique client event identifier
-  string event_id = 1;
+  bytes event_id = 1;
 
   // When the event occurred
   google.protobuf.Timestamp timestamp = 2;
@@ -26,7 +26,7 @@ message FlowEvent {
 
 message FlowEventAck {
   // Unique client event identifier that has been ack'ed
-  string event_id = 1;
+  bytes event_id = 1;
 }
 
 message FlowFields {