What Is a Rainbow Table? How Hashcat, John the Ripper, and Password Auditing Tools Work
A rainbow table is a giant cheat sheet for reversing weak password hashes. It maps known hashes back to likely passwords. That sounds scary. It can be. This is why modern systems use salts, slow hash methods, and password rules that do not stink. NIST recommends salting stored passwords to make mass cracking harder [source: […]