diff --git a/.github/workflows/backport-trigger.yml b/.github/workflows/backport-trigger.yml
index f247c7d64..4fcdbac52 100644
--- a/.github/workflows/backport-trigger.yml
+++ b/.github/workflows/backport-trigger.yml
@@ -13,7 +13,7 @@ jobs:
     if: github.event.pull_request.merged == true && contains(github.event.pull_request.labels.*.name, 'needs_backport')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
         with:
           sparse-checkout: |
             version
diff --git a/.github/workflows/docs-build.yml b/.github/workflows/docs-build.yml
index 43065dd0d..81aae0bc1 100644
--- a/.github/workflows/docs-build.yml
+++ b/.github/workflows/docs-build.yml
@@ -13,6 +13,6 @@ permissions:
   pull-requests: read
 jobs:
   build:
-    uses: elastic/docs-actions/.github/workflows/docs-build.yml@v1
+    uses: elastic/docs-actions/.github/workflows/docs-build.yml@654b6ff08ab5a5cb2c17b1cfc79b82db0dedb879 # v1
     with:
       enable-vale-linting: true
diff --git a/.github/workflows/docs-deploy.yml b/.github/workflows/docs-deploy.yml
index 8255f4397..212f7e532 100644
--- a/.github/workflows/docs-deploy.yml
+++ b/.github/workflows/docs-deploy.yml
@@ -11,7 +11,7 @@ permissions:
   actions: read
 jobs:
   deploy:
-    uses: elastic/docs-actions/.github/workflows/docs-deploy.yml@v1
+    uses: elastic/docs-actions/.github/workflows/docs-deploy.yml@654b6ff08ab5a5cb2c17b1cfc79b82db0dedb879 # v1
     with:
       enable-vale-linting: true
       use-release-branches: true
diff --git a/.github/workflows/docs-preview-cleanup.yml b/.github/workflows/docs-preview-cleanup.yml
index f97969b37..36d48b6d9 100644
--- a/.github/workflows/docs-preview-cleanup.yml
+++ b/.github/workflows/docs-preview-cleanup.yml
@@ -9,4 +9,4 @@ permissions:
   id-token: write
 jobs:
   cleanup:
-    uses: elastic/docs-actions/.github/workflows/docs-preview-cleanup.yml@v1
+    uses: elastic/docs-actions/.github/workflows/docs-preview-cleanup.yml@654b6ff08ab5a5cb2c17b1cfc79b82db0dedb879 # v1
diff --git a/.github/workflows/ecs-release-day.yml b/.github/workflows/ecs-release-day.yml
index 3b4cc5d59..d89d6cab6 100644
--- a/.github/workflows/ecs-release-day.yml
+++ b/.github/workflows/ecs-release-day.yml
@@ -20,11 +20,11 @@ jobs:
   release-day:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
         with:
           ref: main
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
           python-version: "3.12"
 
diff --git a/.github/workflows/ecs-release-post.yml b/.github/workflows/ecs-release-post.yml
index 05c4c2dc0..99d895dbc 100644
--- a/.github/workflows/ecs-release-post.yml
+++ b/.github/workflows/ecs-release-post.yml
@@ -20,11 +20,11 @@ jobs:
   post-release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
         with:
           ref: main
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
           python-version: "3.12"
 
diff --git a/.github/workflows/ecs-release-prep.yml b/.github/workflows/ecs-release-prep.yml
index f816535ce..336cb7452 100644
--- a/.github/workflows/ecs-release-prep.yml
+++ b/.github/workflows/ecs-release-prep.yml
@@ -20,12 +20,12 @@ jobs:
   release-prep:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
         with:
           ref: main
           fetch-depth: 0
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
           python-version: "3.12"
 
diff --git a/.github/workflows/ecs-release-rc-tag.yml b/.github/workflows/ecs-release-rc-tag.yml
index aeac2da59..779e68d11 100644
--- a/.github/workflows/ecs-release-rc-tag.yml
+++ b/.github/workflows/ecs-release-rc-tag.yml
@@ -16,11 +16,11 @@ jobs:
       github.event.pull_request.base.ref != 'main'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
           python-version: "3.12"
 
diff --git a/.github/workflows/ecs-release-rc.yml b/.github/workflows/ecs-release-rc.yml
index 624347e9a..bab93f916 100644
--- a/.github/workflows/ecs-release-rc.yml
+++ b/.github/workflows/ecs-release-rc.yml
@@ -25,12 +25,12 @@ jobs:
   rc-cut:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
         with:
           ref: main
           fetch-depth: 0
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
           python-version: "3.12"
 
diff --git a/.github/workflows/forward-port-trigger.yml b/.github/workflows/forward-port-trigger.yml
index 460485c0b..9f9a02753 100644
--- a/.github/workflows/forward-port-trigger.yml
+++ b/.github/workflows/forward-port-trigger.yml
@@ -16,11 +16,11 @@ jobs:
       github.event.pull_request.base.ref != 'main'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
           python-version: "3.x"
 
diff --git a/.github/workflows/port-label-cleanup.yml b/.github/workflows/port-label-cleanup.yml
index d56acd12f..afd9ee1be 100644
--- a/.github/workflows/port-label-cleanup.yml
+++ b/.github/workflows/port-label-cleanup.yml
@@ -17,11 +17,11 @@ jobs:
       contains(github.event.pull_request.labels.*.name, 'forward_port')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
           python-version: "3.12"
 
diff --git a/.github/workflows/pr-triage.yml b/.github/workflows/pr-triage.yml
index 6d5a37d24..018ec44c6 100644
--- a/.github/workflows/pr-triage.yml
+++ b/.github/workflows/pr-triage.yml
@@ -55,7 +55,7 @@ jobs:
           fi
 
       - name: Checkout base branch (skills and rules only)
-        uses: actions/checkout@v6
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
         with:
           ref: ${{ github.event.pull_request.base.sha || github.sha }}
           fetch-depth: 1
@@ -274,7 +274,7 @@ jobs:
           fi
 
       - name: Upload triage output
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         if: always()
         with:
           name: pr-triage-output
@@ -295,7 +295,7 @@ jobs:
 
     steps:
       - name: Download triage output
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8
         with:
           name: pr-triage-output
           path: /tmp/pr-triage-output