Security
Password hashing
Storing a slow, salted one-way hash - bcrypt, scrypt or argon2 - rather than the password.
Why interviewers ask about it
SHA-256 is wrong precisely because it is fast. Password hashes need a tunable work factor so brute force stays impractical.
Related terms
This term is part of the free Python Full-Stack interview preparation module - browse the full glossary for every definition.