According to Mashable, various unconfirmed sources are circulating word that 2.2 million credit card numbers may be going up for sale. They claim that a security worker at Trend Micro has received intelligence that a hacker has a copy of the PSN database and is willing to sell it off for “upwards of $100,000”. This intelligence apparently came from a discussion on a criminal forum group, but no DB has materialized yet to prove its existence.
We will keep you up to date on this story as it unfolds.