We Didn't Encrypt Your Password, We Hashed It. Here's What That Means:
Troy Hunt
SEPTEMBER 3, 2020
You've possibly just found out you're in a data breach. The organisation involved may have contacted you and advised your password was exposed but fortunately, they encrypted it. But you should change it anyway. Huh? Isn't the whole point of encryption that it protects data when exposed to unintended parties? Ah, yes, but it wasn't encrypted it was hashed and therein lies a key difference: Saying that passwords are “encrypted” over and over again doesn’t make it so.
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