Sony has done plenty of damage to its already tarnished reputation for going with proprietary formats that ultimately fail (Betamax, BluRay?), and for hardware issues (flaming laptop batteries), and security issues (CD rootkit scandal). Now they are at it again, putting a rootkit on a USB key drive. See the following article.
Nutshell, Finnish security company F-Secure has reported to have found software with rootkit-like behaviour supplied with Sony USB sticks with a built-in fingerprint reader.
"The Sony MicroVault USM-F fingerprint ...