Comment on Plex got hacked.

moseschrute@lemmy.world ⁨21⁩ ⁨hours⁩ ago

I’m not a security expert, but password hashing is mostly to slow down someone from getting all the passwords. You can’t reverse the hash, but you can generate hashes until you find a match. When hashing, you can dial in how much compute it would take someone to try and solve all the hashes in your database. If you used a good password, it will be more difficult to solve your hashed password. But it’s best to change your password as Plex suggests.

So it depends on how secure a password is and how strong of hashing Plex used when storing the hashed passwords. I have no idea if this is like a “this will take a year” or “this will take a billion years” to solve all the hashes. Maybe someone with a security background could chime in.

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