diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 11e79590f2..aa868cd1b5 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -66,6 +66,7 @@ src/Admin/Views/Tools @bitwarden/team-billing-dev
 
 # Platform team
 .github/workflows/build.yml @bitwarden/team-platform-dev
+.github/workflows/build_target.yml @bitwarden/team-platform-dev
 .github/workflows/cleanup-after-pr.yml @bitwarden/team-platform-dev
 .github/workflows/cleanup-rc-branch.yml @bitwarden/team-platform-dev
 .github/workflows/repository-management.yml @bitwarden/team-platform-dev
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8f125b7811..f0df238b34 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,22 +7,18 @@ on:
       - "main"
       - "rc"
       - "hotfix-rc"
-  pull_request_target:
+  pull_request:
     types: [opened, synchronize]
+  workflow_call:
+    inputs: {}
 
 env:
   _AZ_REGISTRY: "bitwardenprod.azurecr.io"
 
 jobs:
-  check-run:
-    name: Check PR run
-    uses: bitwarden/gh-actions/.github/workflows/check-run.yml@main
-
   lint:
     name: Lint
     runs-on: ubuntu-22.04
-    needs:
-      - check-run
     steps:
       - name: Check out repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -40,6 +36,8 @@ jobs:
     runs-on: ubuntu-22.04
     needs:
       - lint
+    outputs:
+      has_secrets: ${{ steps.check-secrets.outputs.has_secrets }}
     strategy:
       fail-fast: false
       matrix:
@@ -75,6 +73,14 @@ jobs:
             base_path: ./bitwarden_license/src
             node: true
     steps:
+      - name: Check secrets
+        id: check-secrets
+        env:
+          AZURE_KV_CI_SERVICE_PRINCIPAL: ${{ secrets.AZURE_KV_CI_SERVICE_PRINCIPAL }}
+        run: |
+          has_secrets=${{ secrets.AZURE_KV_CI_SERVICE_PRINCIPAL != '' }}
+          echo "has_secrets=$has_secrets" >> $GITHUB_OUTPUT
+
       - name: Check out repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
@@ -134,6 +140,7 @@ jobs:
       id-token: write
     needs:
       - build-artifacts
+    if: ${{ needs.build-artifacts.outputs.has_secrets == 'true' }}
     strategy:
       fail-fast: false
       matrix:
@@ -227,7 +234,7 @@ jobs:
       - name: Generate Docker image tag
         id: tag
         run: |
-          if [[ "${GITHUB_EVENT_NAME}" == "pull_request_target" ]]; then
+          if [[ "${GITHUB_EVENT_NAME}" == "pull_request" ]]; then
             IMAGE_TAG=$(echo "${GITHUB_HEAD_REF}" | sed "s#/#-#g")
           else
             IMAGE_TAG=$(echo "${GITHUB_REF:11}" | sed "s#/#-#g")
@@ -289,11 +296,11 @@ jobs:
             "GH_PAT=${{ steps.retrieve-secret-pat.outputs.github-pat-bitwarden-devops-bot-repo-scope }}"
 
       - name: Install Cosign
-        if: github.event_name != 'pull_request_target' && github.ref == 'refs/heads/main'
+        if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
         uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # v3.7.0
 
       - name: Sign image with Cosign
-        if: github.event_name != 'pull_request_target' && github.ref == 'refs/heads/main'
+        if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
         env:
           DIGEST: ${{ steps.build-docker.outputs.digest }}
           TAGS: ${{ steps.image-tags.outputs.tags }}
@@ -343,7 +350,7 @@ jobs:
 
       - name: Make Docker stubs
         if: |
-          github.event_name != 'pull_request_target'
+          github.event_name != 'pull_request'
           && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/rc' || github.ref == 'refs/heads/hotfix-rc')
         run: |
           # Set proper setup image based on branch
@@ -385,7 +392,7 @@ jobs:
 
       - name: Make Docker stub checksums
         if: |
-          github.event_name != 'pull_request_target'
+          github.event_name != 'pull_request'
           && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/rc' || github.ref == 'refs/heads/hotfix-rc')
         run: |
           sha256sum docker-stub-US.zip > docker-stub-US-sha256.txt
@@ -393,7 +400,7 @@ jobs:
 
       - name: Upload Docker stub US artifact
         if: |
-          github.event_name != 'pull_request_target'
+          github.event_name != 'pull_request'
           && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/rc' || github.ref == 'refs/heads/hotfix-rc')
         uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
         with:
@@ -403,7 +410,7 @@ jobs:
 
       - name: Upload Docker stub EU artifact
         if: |
-          github.event_name != 'pull_request_target'
+          github.event_name != 'pull_request'
           && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/rc' || github.ref == 'refs/heads/hotfix-rc')
         uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
         with:
@@ -413,7 +420,7 @@ jobs:
 
       - name: Upload Docker stub US checksum artifact
         if: |
-          github.event_name != 'pull_request_target'
+          github.event_name != 'pull_request'
           && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/rc' || github.ref == 'refs/heads/hotfix-rc')
         uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
         with:
@@ -423,7 +430,7 @@ jobs:
 
       - name: Upload Docker stub EU checksum artifact
         if: |
-          github.event_name != 'pull_request_target'
+          github.event_name != 'pull_request'
           && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/rc' || github.ref == 'refs/heads/hotfix-rc')
         uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
         with:
@@ -552,7 +559,7 @@ jobs:
   self-host-build:
     name: Trigger self-host build
     if: |
-      github.event_name != 'pull_request_target'
+      github.event_name != 'pull_request'
       && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/rc' || github.ref == 'refs/heads/hotfix-rc')
     runs-on: ubuntu-22.04
     needs:
@@ -587,7 +594,7 @@ jobs:
 
   trigger-k8s-deploy:
     name: Trigger k8s deploy
-    if: github.event_name != 'pull_request_target' && github.ref == 'refs/heads/main'
+    if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
     runs-on: ubuntu-22.04
     needs:
       - build-docker
@@ -623,7 +630,8 @@ jobs:
   trigger-ee-updates:
     name: Trigger Ephemeral Environment updates
     if: |
-      github.event_name == 'pull_request_target'
+      needs.build-artifacts.outputs.has_secrets == 'true'
+      && github.event_name == 'pull_request'
       && contains(github.event.pull_request.labels.*.name, 'ephemeral-environment')
     runs-on: ubuntu-24.04
     needs:
@@ -660,7 +668,8 @@ jobs:
     name: Trigger Ephemeral Environment Sync
     needs: trigger-ee-updates
     if: |
-      github.event_name == 'pull_request_target'
+      needs.build-artifacts.outputs.has_secrets == 'true'
+      && github.event_name == 'pull_request'
       && contains(github.event.pull_request.labels.*.name, 'ephemeral-environment')
     uses: bitwarden/gh-actions/.github/workflows/_ephemeral_environment_manager.yml@main
     with:
@@ -670,7 +679,6 @@ jobs:
       pull_request_number: ${{ github.event.number }}
     secrets: inherit
 
-
   check-failures:
     name: Check for failures
     if: always()
@@ -686,7 +694,7 @@ jobs:
     steps:
       - name: Check if any job failed
         if: |
-          github.event_name != 'pull_request_target'
+          github.event_name != 'pull_request'
           && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/rc' || github.ref == 'refs/heads/hotfix-rc')
           && contains(needs.*.result, 'failure')
         run: exit 1
diff --git a/.github/workflows/build_target.yml b/.github/workflows/build_target.yml
new file mode 100644
index 0000000000..313446c949
--- /dev/null
+++ b/.github/workflows/build_target.yml
@@ -0,0 +1,21 @@
+name: Build on PR Target
+
+on:
+  pull_request_target:
+    types: [opened, synchronize]
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  check-run:
+    name: Check PR run
+    uses: bitwarden/gh-actions/.github/workflows/check-run.yml@main
+
+  run-workflow:
+    name: Run Build on PR Target
+    needs: check-run
+    if: ${{ github.event.pull_request.head.repo.full_name != github.repository }}
+    uses: ./.github/workflows/build.yml
+    secrets: inherit