And the passwords unearthed by the decoding hobbyists, known as CynoSure Prime, so far suggest that many who were seeking thrills on the infidelity-focused site had poor digital hygiene.
The top password uncovered so far: 123456, according to Ars Technica. The other passwords that made the top five aren't much better: 12345, password, DEFAULT, and 123456789.
As a quick reminder, using super common passwords makes it much easier for bad guys to just guess their way into your accounts. And it's a bad idea to reuse passwords, too -- otherwise, a malicious hacker might be able to leverage a password uncovered in one breach to break into one of your other personal accounts.
Need some more password security tips and tricks? Click here.
Avid Life Media, Ashley Madison's parent company, did not immediately respond to a request for comment about how the passwords were encrypted.