Cyber Security • RF • Conversions
Illustration of SHA-256 as a digital fingerprint for data integrity
cyber-security

What is SHA-256 and when should you use it?

A practical guide to SHA-256: what it does, how it differs from encryption, where it is useful, and when you should choose a password hashing algorithm instead.

Hash identifier guide showing length and character set clues
cyber-security

How to identify an unknown hash quickly

Learn a practical workflow for identifying unknown hash formats using length, character set, prefixes, separators, and common false positives.