hoangnguyen0403/ios-security
skills/ios/ios-security/SKILL.md
Secure iOS apps with Keychain, biometrics, and data protection. Use when implementing Keychain storage, Face ID/Touch ID, or data protection in iOS.
$ install --global
skillsauthnpx skillsauth add hoangnguyen0403/agent-skills-standard ios-securityInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: May 14, 2026, 2:54 AM134.1s3 files scanned
SKILL.md
- name:
- ios-security
- description:
- Secure iOS apps with Keychain, biometrics, and data protection. Use when implementing Keychain storage, Face ID/Touch ID, or data protection in iOS.
iOS Security
Priority: P0 (CRITICAL)
Implementation Workflow
- Store secrets in Keychain — Use
SecItemAdd,SecItemUpdate, andSecItemDeletewithkSecClassGenericPasswordfor tokens/PII. Never useUserDefaults. - Add biometric auth — Use
LocalAuthenticationwithLAContext. Verify availability withcanEvaluatePolicybefore prompting. - Encrypt files — Use
Data.WritingOptions.completeFileProtectionwhen saving to disk. - Keep ATS enabled — Never disable App Transport Security globally in
Info.plist. - Pin certificates — Use
ServerTrustManagerorTrustKitfor production apps to prevent MITM attacks. - Strip sensitive logs — Ensure PII and tokens removed from logs in Release builds.
See Keychain and biometrics implementation examples
Anti-Patterns
- No Secrets in
UserDefaults: Always use Keychain for tokens and PII - No Unhandled
LAError: Check foruserCancelandauthenticationFailedin biometric flows - No PII/Token Logging: Strip sensitive data from all logs in Release builds
References
- Keychain & Biometrics Implementation
Related Topics
- common/security-standards
- architecture
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