It seems like an unlikely entry point to your network: the printer, to which you are constantly sending documents -- sometimes containing proprietary information or corporate trade secrets. But the vulnerabilities in printers are being used as stepping stones to get to much more critical systems. Far from science fiction, this is happening now.
Two or more years ago, nobody considered or worried about this. Now, however, we're seeing a growing number of incidents involving confidential information on printers. The danger becomes apparent when one considers that by hacking into the printer, an attacker may be able to access anything behind your firewall. Network printers can also be turned into "zombies: on the network, used as a way to bounce attacks. This white paper presents the very real dangers of exposing network printers, and what you can do to stop them from being attacked.