security-best-practices
Security Best Practices — Expert Decisions
Expert decision frameworks for iOS security choices. Claude knows Keychain APIs — this skill provides judgment calls for when security measures add value and implementation trade-offs.
Decision Trees
Storage Selection
What type of data?
├─ Credentials (passwords, tokens, secrets)
│ └─ Keychain (always)
│ kSecAttrAccessibleAfterFirstUnlock typical
│
├─ User preferences
│ └─ Is it sensitive? (e.g., PIN enabled)
│ ├─ YES → Keychain
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