diff --git a/protobuf/Makefile b/protobuf/Makefile
index 9297546..680c490 100644
--- a/protobuf/Makefile
+++ b/protobuf/Makefile
@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
+# Copyright 2024 Authors of SentryFlow
+
 PROTOS:="sentryflow.proto sentryflow_metrics.proto"
 
 .PHONY: help
diff --git a/scripts/add-license-header b/scripts/add-license-header
new file mode 100755
index 0000000..01e0c69
--- /dev/null
+++ b/scripts/add-license-header
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: Apache-2.0
+# Copyright 2023 Authors of SentryFlow
+
+if ! command -v addlicense >/dev/null; then
+  echo "Installing addlicense..."
+  go install github.com/google/addlicense@latest
+fi
+
+GIT_ROOT=$(git rev-parse --show-toplevel)
+LICENSE_HEADER=${GIT_ROOT}/scripts/license.header
+
+if [ -z "$1" ]; then
+  echo "No Argument Supplied, Checking and Fixing all files from project root"
+  addlicense -f "${LICENSE_HEADER}" -v "${GIT_ROOT}"/**/*.sh "${GIT_ROOT}"/**/*.go
+  echo "Done"
+else
+  addlicense -f "${LICENSE_HEADER}" -v "$1"
+  echo "Done"
+fi
diff --git a/scripts/license.header b/scripts/license.header
new file mode 100644
index 0000000..d7c0bd6
--- /dev/null
+++ b/scripts/license.header
@@ -0,0 +1,2 @@
+SPDX-License-Identifier: Apache-2.0
+Copyright 2024 Authors of SentryFlow
diff --git a/sentryflow/Dockerfile b/sentryflow/Dockerfile
index 6b89c84..799bec6 100644
--- a/sentryflow/Dockerfile
+++ b/sentryflow/Dockerfile
@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
+# Copyright 2024 Authors of SentryFlow
+
 FROM golang:1.23 AS builder
 
 RUN mkdir -p /protobuf/golang
diff --git a/sentryflow/Makefile b/sentryflow/Makefile
index 941ecec..5c79658 100644
--- a/sentryflow/Makefile
+++ b/sentryflow/Makefile
@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
+# Copyright 2024 Authors of SentryFlow
+
 BINARY_NAME ?= sentryflow
 REGISTRY ?= docker.io/5gsec
 VERSION ?= $(shell git rev-parse HEAD)
diff --git a/sentryflow/cmd/root.go b/sentryflow/cmd/root.go
index f454ff2..710509a 100644
--- a/sentryflow/cmd/root.go
+++ b/sentryflow/cmd/root.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2024 Authors of SentryFlow
+
 package cmd
 
 import (
diff --git a/sentryflow/cmd/version.go b/sentryflow/cmd/version.go
index 5a78250..481032f 100644
--- a/sentryflow/cmd/version.go
+++ b/sentryflow/cmd/version.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2024 Authors of SentryFlow
+
 package cmd
 
 import (
diff --git a/sentryflow/config/default.yaml b/sentryflow/config/default.yaml
index 6179851..e841f17 100644
--- a/sentryflow/config/default.yaml
+++ b/sentryflow/config/default.yaml
@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
+# Copyright 2024 Authors of SentryFlow
+
 receivers: # aka sources
   serviceMeshes:
     - name: istio-sidecar
diff --git a/sentryflow/main.go b/sentryflow/main.go
index 6163445..87ed3e2 100644
--- a/sentryflow/main.go
+++ b/sentryflow/main.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2024 Authors of SentryFlow
+
 package main
 
 import (
diff --git a/sentryflow/pkg/config/config.go b/sentryflow/pkg/config/config.go
index 0cf5ab0..1b3ffd3 100644
--- a/sentryflow/pkg/config/config.go
+++ b/sentryflow/pkg/config/config.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2024 Authors of SentryFlow
+
 package config
 
 import (
diff --git a/sentryflow/pkg/core/sentryflow.go b/sentryflow/pkg/core/sentryflow.go
index 526e753..4461db9 100644
--- a/sentryflow/pkg/core/sentryflow.go
+++ b/sentryflow/pkg/core/sentryflow.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2024 Authors of SentryFlow
+
 package core
 
 import (
diff --git a/sentryflow/pkg/core/server.go b/sentryflow/pkg/core/server.go
index 596eaf7..8da4983 100644
--- a/sentryflow/pkg/core/server.go
+++ b/sentryflow/pkg/core/server.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2024 Authors of SentryFlow
+
 package core
 
 import (
diff --git a/sentryflow/pkg/exporter/exporter.go b/sentryflow/pkg/exporter/exporter.go
index 5cd3cb7..2373ae2 100644
--- a/sentryflow/pkg/exporter/exporter.go
+++ b/sentryflow/pkg/exporter/exporter.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2024 Authors of SentryFlow
+
 package exporter
 
 import (
diff --git a/sentryflow/pkg/k8s/client.go b/sentryflow/pkg/k8s/client.go
index b6b0e8d..9d74f60 100644
--- a/sentryflow/pkg/k8s/client.go
+++ b/sentryflow/pkg/k8s/client.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2024 Authors of SentryFlow
+
 package k8s
 
 import (
diff --git a/sentryflow/pkg/receiver/receiver.go b/sentryflow/pkg/receiver/receiver.go
index 396629d..c1082ee 100644
--- a/sentryflow/pkg/receiver/receiver.go
+++ b/sentryflow/pkg/receiver/receiver.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2024 Authors of SentryFlow
+
 package receiver
 
 import (
diff --git a/sentryflow/pkg/receiver/svcmesh/istio/sidecar/sidecar.go b/sentryflow/pkg/receiver/svcmesh/istio/sidecar/sidecar.go
index 945aafc..b97b406 100644
--- a/sentryflow/pkg/receiver/svcmesh/istio/sidecar/sidecar.go
+++ b/sentryflow/pkg/receiver/svcmesh/istio/sidecar/sidecar.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2024 Authors of SentryFlow
+
 package sidecar
 
 import (
diff --git a/sentryflow/pkg/util/util.go b/sentryflow/pkg/util/util.go
index eeba8bb..f52d8ea 100644
--- a/sentryflow/pkg/util/util.go
+++ b/sentryflow/pkg/util/util.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2024 Authors of SentryFlow
+
 package util
 
 import (