First Malware on PlayStation Portable

Yep. What is considered as an expensive toy is now a target of Trojans. This Trojan purports to be a hack so that non-Sony approved games can be played on PlayStation Portable with firmware version 2.0. What it actually does is that it deletes important system files, making the affected PSP unit unusable.

Trend Micro description is here. Symantec description is here.