> rainbow tables are no longer particularly relevant to cracking passwords If you use a common hash with no salt you can bet your britches the attacker will us

> rainbow tables are no longer particularly relevant to cracking passwords If you use a common hash with no salt you can bet your britches the attacker will use rainbow tables! It's also worth pointing out that rainbow tables aren't the only attack you are exposed to if you don't salt your passwords - it also prevents finding collisions, and massively slows down forward hashing attacks.