Individual skill
check-logging-failures
Detects OWASP A09:2021 Security Logging and Monitoring Failures. Identifies log injection, PII in logs, missing audit trails, insufficient error context, and blind spots.
skills/check-logging-failures/SKILL.md
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- Last checked
- Nov 5, 2026
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- Aug 16, 2026
- License
- MIT
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- security Derived category
- security-application Derived category
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# Security Logging & Monitoring Failures (A09:2021)
Analyze PHP code for logging and monitoring security issues.
## Detection Patterns
### 1. Log Injection
```php
// CRITICAL: User input directly in log message
$this->logger->info("User logged in: " . $request->get('username'));
// Attacker input: "admin\n[CRITICAL] System breached"
// Creates fake log entries!
