The FAQ content is generally accurate and comprehensive. Minor improvements made include: 1) Added 'custom metadata types' and 'Named Credentials' to protected storage options for completeness, 2) Changed 'is not written' to 'isn't written' for conversational tone, 3) Removed specific encryption standard 'AES-128 or higher' to avoid potential outdated technical specifications, 4) Changed 'SQL injection' to 'SOQL injection' to be Salesforce-specific and accurate. Security rules selected relate directly to the FAQ content: AvoidHardcodedCredentialsInFieldDecls/VarDecls/VarAssign address the core concern about storing sensitive data securely (FAQ points 1, 2, 8), ApexSuggestUsingNamedCred relates to the recommendation to use protected storage like Named Credentials (FAQ point 1), ApexBadCrypto connects to the encryption discussion (FAQ point 5), ProtectSensitiveData encompasses the overall theme of the FAQ about protecting sensitive information (FAQ points 1-8), ApexSOQLInjection relates to the input validation recommendation (FAQ point 6), and ApexXSSFromURLParam also connects to preventing XSS vulnerabilities mentioned in input validation (FAQ point 6).