diff --git a/.github/workflows/boj-build.yml b/.github/workflows/boj-build.yml
index 6c15cdb..5bb9e75 100644
--- a/.github/workflows/boj-build.yml
+++ b/.github/workflows/boj-build.yml
@@ -16,4 +16,5 @@ jobs:
           curl -X POST "http://boj-server.local:7700/cartridges/ssg-mcp/invoke"             -H "Content-Type: application/json"             -d "{\"repo\": \"${{ github.repository }}\", \"branch\": \"${{ github.ref_name }}\", \"engine\": \"casket\\"}"}
         continue-on-error: true
 permissions:
+  actions: read
   contents: read
diff --git a/.github/workflows/casket-pages.yml b/.github/workflows/casket-pages.yml
index 751e879..aef7e09 100644
--- a/.github/workflows/casket-pages.yml
+++ b/.github/workflows/casket-pages.yml
@@ -7,6 +7,7 @@ on:
   workflow_dispatch:
 
 permissions:
+  actions: read
   contents: read
   pages: write
   id-token: write
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index d908a90..b0bcf6c 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -18,6 +18,7 @@ concurrency:
   cancel-in-progress: true
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/.github/workflows/dogfood-gate.yml b/.github/workflows/dogfood-gate.yml
index cf62a73..9566628 100644
--- a/.github/workflows/dogfood-gate.yml
+++ b/.github/workflows/dogfood-gate.yml
@@ -13,6 +13,7 @@ on:
     branches: [main, master]
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/.github/workflows/governance.yml b/.github/workflows/governance.yml
index 62bbc98..906741d 100644
--- a/.github/workflows/governance.yml
+++ b/.github/workflows/governance.yml
@@ -27,6 +27,7 @@ concurrency:
   cancel-in-progress: true
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/.github/workflows/hypatia-scan.yml b/.github/workflows/hypatia-scan.yml
index 2e7e939..013c95a 100644
--- a/.github/workflows/hypatia-scan.yml
+++ b/.github/workflows/hypatia-scan.yml
@@ -19,6 +19,7 @@ concurrency:
   cancel-in-progress: true
 
 permissions:
+  actions: read
   contents: read
   security-events: write
   pull-requests: write
diff --git a/.github/workflows/instant-sync.yml b/.github/workflows/instant-sync.yml
index 228dc43..0f86f6c 100644
--- a/.github/workflows/instant-sync.yml
+++ b/.github/workflows/instant-sync.yml
@@ -9,6 +9,7 @@ on:
     types: [published]
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
index 81e9903..c25d3bc 100644
--- a/.github/workflows/mirror.yml
+++ b/.github/workflows/mirror.yml
@@ -7,6 +7,7 @@ on:
   workflow_dispatch:
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 0816771..ce036e2 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -7,6 +7,7 @@ name: Push email notification
 on:
   push: {}
 permissions:
+  actions: read
   contents: read
 jobs:
   notify:
diff --git a/.github/workflows/rust-ci.yml b/.github/workflows/rust-ci.yml
index 4d8e394..3a84116 100644
--- a/.github/workflows/rust-ci.yml
+++ b/.github/workflows/rust-ci.yml
@@ -10,6 +10,7 @@ on:
   pull_request:
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 64ac2ac..f0c8699 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -9,6 +9,7 @@ on:
     branches: [main]
 
 permissions: read-all
+  actions: read
 
 jobs:
   analysis:
diff --git a/.github/workflows/secret-scanner.yml b/.github/workflows/secret-scanner.yml
index b3486fc..4839d60 100644
--- a/.github/workflows/secret-scanner.yml
+++ b/.github/workflows/secret-scanner.yml
@@ -11,6 +11,7 @@ concurrency:
   cancel-in-progress: true
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/SECURITY.md b/SECURITY.md
index 0d5fade..1b9d947 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -1,23 +1,5 @@
 # Security Policy
 
-<!-- 
-============================================================================
-TEMPLATE INSTRUCTIONS (delete this block before publishing)
-============================================================================
-Replace all {{PLACEHOLDER}} values with your information:
-  Dotmatrix Fileprinter     - Your project name
-  hyperpolymath            - GitHub username or org (e.g., hyperpolymath)
-  dotmatrix-fileprinter             - Repository name
-  6759885+hyperpolymath@users.noreply.github.com   - Security contact email
-  [PGP fingerprint not set]  - Your PGP key fingerprint (40 chars, no spaces)
-  {{PGP_KEY_URL}}      - URL to your public PGP key
-  {{WEBSITE}}          - Your website/domain
-  2026     - Current year for copyright
-
-Optional: Remove sections that don't apply (e.g., PGP if you don't use it)
-============================================================================
--->
-
 We take security seriously. We appreciate your efforts to responsibly disclose vulnerabilities and will make every effort to acknowledge your contributions.
 
 ## Table of Contents
@@ -59,19 +41,8 @@ If you cannot use GitHub Security Advisories, you may email us directly:
 | | |
 |---|---|
 | **Email** | 6759885+hyperpolymath@users.noreply.github.com |
-| **PGP Key** | [Download Public Key]({{PGP_KEY_URL}}) |
 | **Fingerprint** | `[PGP fingerprint not set]` |
 
-```bash
-# Import our PGP key
-curl -sSL {{PGP_KEY_URL}} | gpg --import
-
-# Verify fingerprint
-gpg --fingerprint 6759885+hyperpolymath@users.noreply.github.com
-
-# Encrypt your report
-gpg --armor --encrypt --recipient 6759885+hyperpolymath@users.noreply.github.com report.txt
-```
 
 > **⚠️ Important:** Do not report security vulnerabilities through public GitHub issues, pull requests, discussions, or social media.
 
@@ -370,7 +341,6 @@ When using Dotmatrix Fileprinter, we recommend:
 
 ## Additional Resources
 
-- [Our PGP Public Key]({{PGP_KEY_URL}})
 - [Security Advisories](https://github.com/hyperpolymath/dotmatrix-fileprinter/security/advisories)
 - [Changelog](CHANGELOG.md)
 - [Contributing Guidelines](CONTRIBUTING.md)