diff --git a/.github/workflows/ci-backend.yml b/.github/workflows/ci-backend.yml
index f92d1fb00..cff139e8c 100644
--- a/.github/workflows/ci-backend.yml
+++ b/.github/workflows/ci-backend.yml
@@ -24,6 +24,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
+          persist-credentials: false
       - name: Decide run mode
         id: force
         run: |
@@ -72,6 +73,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Start containers
         run: |
           docker compose --file docker/compose/docker-compose.ci-test.yml pull --quiet
@@ -145,6 +148,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Set up Python
         id: setup-python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
diff --git a/.github/workflows/ci-docker.yml b/.github/workflows/ci-docker.yml
index 48d258dca..43b79728d 100644
--- a/.github/workflows/ci-docker.yml
+++ b/.github/workflows/ci-docker.yml
@@ -42,6 +42,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Determine ref name
         id: ref
         run: |
diff --git a/.github/workflows/ci-docs.yml b/.github/workflows/ci-docs.yml
index 68f202264..a598a3c9d 100644
--- a/.github/workflows/ci-docs.yml
+++ b/.github/workflows/ci-docs.yml
@@ -26,6 +26,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
+          persist-credentials: false
       - name: Decide run mode
         id: force
         run: |
@@ -71,6 +72,8 @@ jobs:
       - uses: actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d # v6.0.0
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Set up Python
         id: setup-python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
diff --git a/.github/workflows/ci-frontend.yml b/.github/workflows/ci-frontend.yml
index dffb54e6b..9d4e23a1a 100644
--- a/.github/workflows/ci-frontend.yml
+++ b/.github/workflows/ci-frontend.yml
@@ -62,6 +62,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Install pnpm
         uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
         with:
@@ -90,6 +92,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Install pnpm
         uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
         with:
@@ -125,6 +129,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Install pnpm
         uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
         with:
@@ -176,6 +182,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Install pnpm
         uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
         with:
@@ -209,6 +217,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 2
+          persist-credentials: false
       - name: Install pnpm
         uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
         with:
diff --git a/.github/workflows/ci-lint.yml b/.github/workflows/ci-lint.yml
index bf1458e1d..314250719 100644
--- a/.github/workflows/ci-lint.yml
+++ b/.github/workflows/ci-lint.yml
@@ -16,6 +16,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Install Python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
diff --git a/.github/workflows/ci-release.yml b/.github/workflows/ci-release.yml
index b38ecbc40..030e3bcad 100644
--- a/.github/workflows/ci-release.yml
+++ b/.github/workflows/ci-release.yml
@@ -29,6 +29,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       # ---- Frontend Build ----
       - name: Install pnpm
         uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
@@ -179,6 +181,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           ref: main
+          persist-credentials: true # for pushing changelog branch
       - name: Set up Python
         id: setup-python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
diff --git a/.github/workflows/ci-static-analysis.yml b/.github/workflows/ci-static-analysis.yml
new file mode 100644
index 000000000..99388354a
--- /dev/null
+++ b/.github/workflows/ci-static-analysis.yml
@@ -0,0 +1,42 @@
+name: Static Analysis
+on:
+  push:
+    branches-ignore:
+      - 'translations**'
+  pull_request:
+    branches-ignore:
+      - 'translations**'
+  workflow_dispatch:
+concurrency:
+  group: static-analysis-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+permissions:
+  contents: read
+jobs:
+  zizmor:
+    name: Run zizmor
+    runs-on: ubuntu-24.04
+    permissions:
+      contents: read
+      actions: read
+      security-events: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+      - name: Run zizmor
+        uses: zizmorcore/zizmor-action@71321a20a9ded102f6e9ce5718a2fcec2c4f70d8 # v0.5.2
+  semgrep:
+    name: Semgrep CE
+    runs-on: ubuntu-24.04
+    container:
+      image: semgrep/semgrep:1.155.0@sha256:cc869c685dcc0fe497c86258da9f205397d8108e56d21a86082ea4886e52784d
+    if: github.actor != 'dependabot[bot]'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+      - name: Run Semgrep
+        run: semgrep scan --config auto
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 08c2bc1a2..e295e938d 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -35,6 +35,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
         uses: github/codeql-action/init@c793b717bc78562f491db7b0e93a3a178b099162 # v4.32.5
diff --git a/.github/workflows/crowdin.yml b/.github/workflows/crowdin.yml
index 38e73bbb5..29b4be02f 100644
--- a/.github/workflows/crowdin.yml
+++ b/.github/workflows/crowdin.yml
@@ -16,6 +16,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           token: ${{ secrets.PNGX_BOT_PAT }}
+          persist-credentials: false
       - name: crowdin action
         uses: crowdin/github-action@8818ff65bfc4322384f983ea37e3926948c11745 # v2.15.0
         with:
diff --git a/.github/workflows/translate-strings.yml b/.github/workflows/translate-strings.yml
index c38886bc2..ad894abe7 100644
--- a/.github/workflows/translate-strings.yml
+++ b/.github/workflows/translate-strings.yml
@@ -17,6 +17,7 @@ jobs:
         with:
           token: ${{ secrets.PNGX_BOT_PAT }}
           ref: ${{ env.GH_REF }}
+          persist-credentials: true # for pushing translation branch
       - name: Set up Python
         id: setup-python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0