Update Authorization_Cheat_Sheet.md (#1564)

cheatsheets/Authorization_Cheat_Sheet.md

@@ -117,6 +117,7 @@ Failed access control checks are a normal occurrence in a secured application; c
 - Ensure all exception and failed access control checks are handled no matter how unlikely they seem ([OWASP Top Ten Proactive Controls C10: Handle all errors and exceptions](https://owasp.org/www-project-proactive-controls/v3/en/c10-errors-exceptions.html)). This does not mean that an application should always try to "correct" for a failed check; oftentimes a simple message or HTTP status code is all that is required.
 - Centralize the logic for handling failed access control checks.
 - Verify the handling of exception and authorization failures. Ensure that such failures, no matter how unlikely, do not put the software into an unstable state that could lead to authorization bypass.
+- Ensure sensitive information, such as system logs or debugging output, is not exposed in error messages. Misconfigured error messages can increase the attack surface of your application. ([CWE-209: Generation of Error Message Containing Sensitive Information](https://cwe.mitre.org/data/definitions/209.html))
 
 ### Implement Appropriate Logging