diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b1ec5bff..913cfde1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,6 +35,9 @@ on:
       - 'tests/**'
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   pre-commit:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/live-smoke.yml b/.github/workflows/live-smoke.yml
index 361c2146..f6304da2 100644
--- a/.github/workflows/live-smoke.yml
+++ b/.github/workflows/live-smoke.yml
@@ -6,6 +6,9 @@ on:
       - master
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   live-smoke:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/scheduled-lint.yml b/.github/workflows/scheduled-lint.yml
index 4c5053e9..c18120c9 100644
--- a/.github/workflows/scheduled-lint.yml
+++ b/.github/workflows/scheduled-lint.yml
@@ -6,6 +6,9 @@ on:
     - cron: '0 9 * * 1'
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   scheduled-pre-commit:
     runs-on: ubuntu-latest
@@ -43,18 +46,21 @@ jobs:
       - name: Run markdown checks
         id: markdown
         run: |
-          pymarkdownlnt scan docs > markdown_output.txt 2>&1
-          EXIT_CODE=$?
+          EXIT_CODE=0
+          pymarkdownlnt scan docs > markdown_output.txt 2>&1 || EXIT_CODE=$?
 
           OUTPUT=$(cat markdown_output.txt)
-          echo "output<<EOF" >> $GITHUB_OUTPUT
-          echo "$OUTPUT" >> $GITHUB_OUTPUT
-          echo "EOF" >> $GITHUB_OUTPUT
+          echo "$OUTPUT"
+          {
+            echo "output<<EOF"
+            echo "$OUTPUT"
+            echo "EOF"
+          } >> "$GITHUB_OUTPUT"
 
-          if [ $EXIT_CODE -eq 0 ]; then
-            echo "status=success" >> $GITHUB_OUTPUT
+          if [ "$EXIT_CODE" -eq 0 ]; then
+            echo "status=success" >> "$GITHUB_OUTPUT"
           else
-            echo "status=failed" >> $GITHUB_OUTPUT
+            echo "status=failed" >> "$GITHUB_OUTPUT"
             exit 1
           fi
 
diff --git a/.github/workflows/upstream-drift.yml b/.github/workflows/upstream-drift.yml
index bb8e5a2d..d3338dca 100644
--- a/.github/workflows/upstream-drift.yml
+++ b/.github/workflows/upstream-drift.yml
@@ -5,6 +5,9 @@ on:
     - cron: '0 3 * * *'
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   upstream-drift:
     runs-on: ubuntu-latest