Sony has confirmed compromise of personal information

It's looking like things are just as bad as we feared and that "external intrusion" got a little deeper than we might have liked. In an update on its PlayStation Blog, Sony just confirmed that the PSN outage was caused by "malicious actions," which we already knew, but continues by indicating that there has also been "a compromise of personal information." Exactly what that means Sony isn't saying, and it stops short of saying that credit card data has been exposed, but does say "your credit card number (excluding security code) and expiration date may have been obtained." Yes, it may have been obtained — Sony doesn't even know at this point. The company doesn't provide a fu…