diff --git a/main.go b/main.go
index 4d1629a3..c15219e5 100644
--- a/main.go
+++ b/main.go
@@ -24,6 +24,12 @@ import (
 )
 
 func main() {
+	triggerEventName := os.Getenv("GITHUB_EVENT_NAME")
+	if triggerEventName == "pull_request_target" {
+		log.Fatalf("pull_request_target trigger is not supported for security reasons" +
+			"see https://securitylab.github.com/research/github-actions-preventing-pwn-requests/")
+	}
+
 	action, err := entrypoint.New()
 	if err != nil {
 		log.Fatalf("creating scorecard entrypoint: %v", err)
@@ -35,7 +41,7 @@ func main() {
 
 	if os.Getenv(options.EnvInputPublishResults) == "true" &&
 		// `pull_request` do not have the necessary `token-id: write` permissions.
-		os.Getenv("GITHUB_EVENT_NAME") != "pull_request" {
+		triggerEventName != "pull_request" {
 		// Get json results by re-running scorecard.
 		jsonPayload, err := signing.GetJSONScorecardResults()
 		if err != nil {
diff --git a/starter-workflows/code-scanning/properties/scorecards.properties.json b/starter-workflows/code-scanning/properties/scorecards.properties.json
deleted file mode 100644
index 54362eb9..00000000
--- a/starter-workflows/code-scanning/properties/scorecards.properties.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-    "name": "OSSF Scorecards supply-chain security analysis",
-    "creator": "Open Source Security Foundation (OpenSSF) - https://github.com/ossf",
-    "description": "Scorecards is a static analysis tool to assess the security posture of your project",
-    "iconName": "scorecards",
-    "categories": [
-        "code-quality", "testing",
-        "supply-chain", "security", "scanning"
-    ]
-}
diff --git a/starter-workflows/code-scanning/scorecards.yml b/starter-workflows/code-scanning/scorecards.yml
deleted file mode 100644
index d6a6f1ed..00000000
--- a/starter-workflows/code-scanning/scorecards.yml
+++ /dev/null
@@ -1,72 +0,0 @@
-# Copyright 2022 OpenSSF Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-# SPDX-License-Identifier: Apache-2.0
-
-name: Scorecards supply-chain security
-on:
-  # Only the default branch is supported.
-  branch_protection_rule:
-  schedule:
-    - cron: $cron-weekly
-  push:
-    branches: [ $default-branch ]
-
-# Declare default permissions as read only.
-permissions: read-all
-
-jobs:
-  analysis:
-    name: Scorecards analysis
-    runs-on: ubuntu-latest
-    permissions:
-      # Needed to upload the results to code-scanning dashboard.
-      security-events: write
-      actions: read
-      contents: read
-
-    steps:
-      - name: "Checkout code"
-        uses: actions/checkout@a12a3943b4bdde767164f792f33f40b04645d846 # v3.0.0
-        with:
-          persist-credentials: false
-
-      - name: "Run analysis"
-        uses: ossf/scorecard-action@c1aec4ac820532bab364f02a81873c555a0ba3a1 # v1.0.4
-        with:
-          results_file: results.sarif
-          results_format: sarif
-          # Read-only PAT token. To create it,
-          # follow the steps in https://github.com/ossf/scorecard-action#pat-token-creation.
-          repo_token: ${{ secrets.SCORECARD_READ_TOKEN }}
-          # Publish the results to enable scorecard badges. For more details, see
-          # https://github.com/ossf/scorecard-action#publishing-results.
-          # For private repositories, `publish_results` will automatically be set to `false`,
-          # regardless of the value entered here.
-          publish_results: true
-
-      # Upload the results as artifacts (optional).
-      - name: "Upload artifact"
-        uses: actions/upload-artifact@6673cd052c4cd6fcf4b4e6e60ea986c889389535 # v3.0.0
-        with:
-          name: SARIF file
-          path: results.sarif
-          retention-days: 5
-
-      # Upload the results to GitHub's code scanning dashboard.
-      - name: "Upload to code-scanning"
-        if: ${{ github.event_name != 'pull_request' }}
-        uses: github/codeql-action/upload-sarif@5f532563584d71fdef14ee64d17bafb34f751ce5 # v1.0.26
-        with:
-          sarif_file: results.sarif