Individual skill
check-insecure-design
Detects OWASP A04:2021 Insecure Design vulnerabilities. Identifies missing rate limiting, account lockout, CAPTCHA, TOCTOU races, business logic flaws, and threat modeling gaps.
skills/check-insecure-design/SKILL.md
Source commit 7e1fea8899b7994073951dfd1f6a10532ddbb867
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- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- Yes
- Repository scan complete
- No
- Skill scan complete
- No
- Observed behavior
- Instructions only
- Last checked
- Nov 5, 2026
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- 105
- Repository last updated
- Aug 16, 2026
- License
- MIT
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
- design Derived category
- security Derived category
- security-application Derived category
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# Insecure Design Security Check (A04:2021)
Analyze PHP code for insecure design patterns — architectural and business logic security flaws that cannot be fixed by implementation alone.
## Detection Patterns
### 1. Missing Account Lockout
```php
// VULNERABLE: No brute-force protection
class LoginController
{
public function login(Request $request): Response
{