> Chief among them is the fact that none of the 354 database tables containing social security numbers were encrypted. Using strong cryptography to protect such "at rest" PII has long been considered a best practice in government and corporate data security. Really? Although I don't work in that field ('government and corporate data security', or generally anything where we have to deal with SSN's and such) -- that d…
Encrypted database tables are not that common. More common is encryption of the whole disk or database using Oracle or some other software/hardware.
If you are storing full credit card #s it better be encrypted while the data is at rest.