New virus targets PCs from USB drives
According to Sophos, a new Worm has emerged which uses USB sticks or similar removable media devices as its main form of propagation. The so-called SillyFD-AA worm copies itself to a USB stick and then creates an autorun file which is triggered every time the host device is plugged into a PC.
This method of Worm transmission is designed to bypass increasingly-tough gateway or perimeter defenses by hitting the PC directly. As such, companies that don’t manage device connections to their corporate PCs are especially at risk.
Read more at Matt Fisher

