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security audit
A careful review of a system by experts specifically looking for security weaknesses.
A security audit is a deliberate inspection — of code, design, and configuration — aimed at finding vulnerabilities before attackers do. Public or repeated audits add credibility because many independent eyes have probed the system. Note that surviving audits reduces risk but never proves a system is perfectly secure.
See also
- RSAA classic public-key cryptography system where a public key encrypts or verifies and a separate private key decrypts or signs.
- SHA-2 / SHA-256A widely trusted family of cryptographic hash functions that turn any data into a fixed-size fingerprint.