I wonder if there's an option for an ISP to proactively secure these accounts. GMail has phone verification for backup, they could temporarily disable the accou

I wonder if there's an option for an ISP to proactively secure these accounts. GMail has phone verification for backup, they could temporarily disable the account of anyone who has a matching password. Odd, I'm sure I had a lifehacker comments account, but my username isn't listed. No complaints though.