compromised passwords

[suwunk]

I think you should encrypt every bit of customers data, Sony stored over 1,000,000 passwords of its customers in plaintext, which means it's just a matter of taking it.

[Texas2Step]

If you run a website where customers log in with user names and passwords, and you have reason to believe that one or more of those user names and passwords have been compromised, what's the first thing you should do?