SWIM used to have access to Equivax data from home. In the early 90s, you could log into Equifax, type in a strangers address, and get their credit history, social, bills, and prior addresses among other things. Access was through tymnet using an <account_id>+<password>. That is it. The account_id was a ~16 digit number. The password was a 1 alpha + 1 alphanumeric. In those days it was security through obscurity, so I presume. Get an account number and after 936, you are in. Given this recent breach has nothing to do with how Equivfax/CBI was run years ago, it does make me cringe a bit.