Sensitive data patterns for security testing: API keys, credit cards, emails, SSNs, phone numbers, IPs, and more. Use for data discovery and validation.

SecLists Pattern Matching Description Sensitive data patterns for security testing: API keys, credit cards, emails, SSNs, phone numbers, IPs, and more. Use for data discovery and validation. Source: [SecLists/Pattern Matching](https://github.com/danielmiessler/SecLists/tree/master/Pattern Matching) Repository: https://github.com/danielmiessler/SecLists License: MIT When to Use This Skill Use this skill when you need: API key detection in code/logs Credit card validation testing Email pattern matching IP address discovery SSN format validation Phone number pattern testing ⚠️ IMPORTANT: Only use for authorized security testing, bug bounty programs, CTF competitions, or educational purposes. Key Files in This Skill api keys.txt API key patterns credit cards.txt Credit card formats email addresses.txt Email patterns ip addresses.txt IP address patterns ssn.txt Social Security Number patterns phone numbers.txt Phone number formats Usage Example Security & Ethics Authorized Use Cases ✅ Authorized penetration testing with written permission Bug bounty programs (within scope) CTF competitions Security research in controlled environments Testing your own systems Educational demonstrations Prohibited Use Cases ❌ Unauthorized access attempts Testing without permission Malicious activities Privacy violations Any illegal activities Complete SecLists Collection This is a curated subset of SecLists. For the complete collection: Full repository: https://github.com/danielmiessler/SecLists Size: 4.5 GB with 6,000+ files All categories: Passwords, Usernames, Discovery, Fuzzing, Payloads, Web Shells, Pattern Matching, AI, Miscellaneous Generated by Skill Seeker SecLists Pattern Matching Collection License: MIT Use responsibly with proper authorization

security-patterns