Members of embedded systems hacker collective /dev/ttys0 spend their time playing around with devices like home routers and set-top boxes. Hackers like to see what interesting facts these devices proprietary hardware and firmware might reveal. But hacking on embedded systems can also help to improve security, or at least help others to avoid insecurity, by revealing and helping to fix potentially exploitable vulnerabilities that might otherwise lie dormant for years. Backdoor was found in the firmware of a number of D-Link routers.”]