diff --git a/.github/workflows/default-ci.yaml b/.github/workflows/default-ci.yaml
index 6a63d14..d4a6b83 100644
--- a/.github/workflows/default-ci.yaml
+++ b/.github/workflows/default-ci.yaml
@@ -21,16 +21,6 @@ on:
     branches: ["main"]
 
 jobs:
-  secret-scan:
-    name: "Secret Scanner (TruffleHog)"
-    runs-on: ${{ github.server_url == 'https://github.com' && 'ubuntu-latest' || 'stackit-docker' }}
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v7
-
-      - name: TruffleHog Scan
-        uses: edplato/trufflehog-actions-scan@master
-
   todo-check:
     name: "Check for Open TODOs"
     runs-on: ${{ github.server_url == 'https://github.com' && 'ubuntu-latest' || 'stackit-ubuntu-22' }}
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c98fd9a..a8a0a3c 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -58,6 +58,11 @@ repos:
       - id: prettier
         types_or: [javascript, yaml, json, markdown]
 
+  - repo: https://github.com/gitleaks/gitleaks
+    rev: v8.24.2
+    hooks:
+      - id: gitleaks
+
   - repo: local
     hooks:
       # Requires `addlicense` to be installed locally (go install github.com/google/addlicense@latest)
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 0bd64ec..6282ab3 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -59,7 +59,7 @@ To maintain a clean and secure codebase, we enforce a strict CI pipeline on all
 ```
 
 - **Terraform file naming:** All `.tf` files in examples **must** be prefixed with exactly 3 digits to enforce consistent ordering (e.g., `010-provider.tf`, `020-variables.tf`, `030-resources.tf`, `100-outputs.tf`). Files inside `modules/` directories are exempt from this rule. This check is enforced automatically by pre-commit.
-- **Scan for Secrets:** Never commit credentials. We use `trufflehog` in the CI pipeline. Ensure you have no hardcoded tokens or passwords in your code.
+- **Scan for Secrets:** Never commit credentials. We use `gitleaks` in the CI pipeline. Ensure you have no hardcoded tokens or passwords in your code.
 
 ### Repository structure
 
diff --git a/GOVERNANCE.md b/GOVERNANCE.md
index 8b1c7fc..aa46534 100644
--- a/GOVERNANCE.md
+++ b/GOVERNANCE.md
@@ -30,7 +30,7 @@ To ensure high standards and security, we follow a strict contribution process:
 - **Automated Validation:** Every Pull Request must pass the CI pipeline, which includes:
   - Linting and formatting checks.
   - License header verification (Apache 2.0).
-  - Secret scanning (Trufflehog).
+  - Secret scanning (GitLeaks).
 - **Best Effort Policy:** While we strive for quality, the content is provided "as-is." Use in production environments requires independent validation by the user.
 
 ## 4. Mirroring Process
diff --git a/examples/terraform-pg-backend-state-locking/00-bootstrap/040-output.tf b/examples/terraform-pg-backend-state-locking/00-bootstrap/040-output.tf
index 9e0fa24..f345841 100644
--- a/examples/terraform-pg-backend-state-locking/00-bootstrap/040-output.tf
+++ b/examples/terraform-pg-backend-state-locking/00-bootstrap/040-output.tf
@@ -22,6 +22,6 @@ locals {
 
 output "pg_connection_uri" {
   description = "PostgreSQL Flex User Connection String"
-  value       = "postgres://${local.pg_username}:${local.pg_password}@${local.pg_host}:${local.pg_port}/${local.pg_database}?sslmode=require" # trufflehog:ignore
+  value       = "postgres://${local.pg_username}:${local.pg_password}@${local.pg_host}:${local.pg_port}/${local.pg_database}?sslmode=require"
   sensitive   = true
 }
diff --git a/examples/terraform-pg-backend-state-locking/01-example-project/README.md b/examples/terraform-pg-backend-state-locking/01-example-project/README.md
index b9a7e75..f1f211d 100644
--- a/examples/terraform-pg-backend-state-locking/01-example-project/README.md
+++ b/examples/terraform-pg-backend-state-locking/01-example-project/README.md
@@ -7,7 +7,7 @@ This module contains the core infrastructure configuration. It uses the `pg` bac
 1. Create a `backend.conf` file in this directory and define the connection string using the credentials generated by the bootstrap module:
 
    ```ini
-   conn_str = "postgres://tf_state_user:<PASSWORD>@<STACKIT_INSTANCE_HOST>:5432/terraform_state?sslmode=require" # trufflehog:ignore
+   conn_str = "postgres://tf_state_user:<PASSWORD>@<STACKIT_INSTANCE_HOST>:5432/terraform_state?sslmode=require"
    ```
 
 2. Initialize Terraform and bind it to the remote PostgreSQL backend