One of the workers affected, Ken Clair, told AP: "I would have thought somebody would have been a lot more careful with that information," after receiving notification of the gaffe from his employer.
Some of the information had been viewable since October 2003, The Hartford Courant reported.
A spokesman for the state comptroller's office reckoned, "The majority of people have been very understanding of the situation."
Last week a UK building society was fined nearly a million quid for allowing the posibilty that its customers' data might be compromised. ยต