diff --git a/.github/workflows/artifacts.yml b/.github/workflows/artifacts.yml
index 8891e04b45..403039ac7d 100644
--- a/.github/workflows/artifacts.yml
+++ b/.github/workflows/artifacts.yml
@@ -9,7 +9,7 @@ jobs:
   upload-s3:
     name: cd/Upload artifacts to S3
     runs-on: ubuntu-22.04
-    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
+    if: github.repository_owner == 'mattermost' && github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
     steps:
       - name: cd/Configure AWS
         uses: aws-actions/configure-aws-credentials@07c2f971bac433df982ccc261983ae443861db49 # v1-node16
@@ -36,7 +36,7 @@ jobs:
     name: cd/Build and push docker image
     needs: upload-s3
     runs-on: ubuntu-22.04
-    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
+    if: github.repository_owner == 'mattermost' && github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
     steps:
       - name: cd/Login to Docker Hub
         uses: docker/login-action@3da7dc6e2b31f99ef2cb9fb4c50fb0971e0d0139 # v2.1.0
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index bb0772ab0a..a82094a8e3 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -15,6 +15,7 @@ jobs:
     permissions:
       security-events: write  # for github/codeql-action/autobuild to send a status report
     name: Analyze
+    if: github.repository_owner == 'mattermost'
     runs-on: ubuntu-latest
 
     strategy:
diff --git a/.github/workflows/docker-push-mirrored.yml b/.github/workflows/docker-push-mirrored.yml
index 647e5d49f7..4a529458ec 100644
--- a/.github/workflows/docker-push-mirrored.yml
+++ b/.github/workflows/docker-push-mirrored.yml
@@ -10,6 +10,7 @@ on:
 jobs:
   build-docker:
     name: cd/Push mirrored docker images
+    if: github.repository_owner == 'mattermost'
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout mattermost project
diff --git a/.github/workflows/esrupgrade.yml b/.github/workflows/esrupgrade.yml
index ecf9471104..271801ec65 100644
--- a/.github/workflows/esrupgrade.yml
+++ b/.github/workflows/esrupgrade.yml
@@ -13,6 +13,7 @@ on:
 jobs:
   esr-upgrade-5_37-7_8:
     name: Run ESR upgrade script from 5.37 to 7.8
+    if: github.repository_owner == 'mattermost'
     uses: ./.github/workflows/esrupgrade-common.yml
     with:
       db-dump-url: https://lt-public-data.s3.amazonaws.com/47K_537_mysql_collationfixed.sql.gz
@@ -20,6 +21,7 @@ jobs:
       final-version: 7.8
   esr-upgrade-5_37-6_3:
     name: Run ESR upgrade script from 5.37 to 6.3
+    if: github.repository_owner == 'mattermost'
     uses: ./.github/workflows/esrupgrade-common.yml
     with:
       db-dump-url: https://lt-public-data.s3.amazonaws.com/47K_537_mysql_collationfixed.sql.gz
@@ -27,6 +29,7 @@ jobs:
       final-version: 6.3
   esr-upgrade-6_3-7_8:
     name: Run ESR upgrade script from 6.3 to 7.8
+    if: github.repository_owner == 'mattermost'
     uses: ./.github/workflows/esrupgrade-common.yml
     with:
       db-dump-url: https://lt-public-data.s3.amazonaws.com/47K_63_mysql.sql.gz
diff --git a/.github/workflows/scorecards-analysis.yml b/.github/workflows/scorecards-analysis.yml
index 9a5a652abb..bfdcf117fc 100644
--- a/.github/workflows/scorecards-analysis.yml
+++ b/.github/workflows/scorecards-analysis.yml
@@ -11,6 +11,7 @@ permissions: read-all
 jobs:
   analysis:
     name: Scorecards analysis
+    if: github.repository_owner == 'mattermost'
     runs-on: ubuntu-latest
     permissions:
       # Needed to upload the results to code-scanning dashboard.