PS3 gets firmware update 3.56
Today Sony has released a new firmware update for their PS3 console. It is firmware update 3.56 and according to the details given by Sony this update adds a security patch and also a minor update. That's it, no more details.
As if your are a PSN user then it will be compulsory for you to install this new firmware update, otherwise you can ignore it until you login in your PSN account.