The worst nightmare for security experts, a backdoor hidden in large consume products, once again has become reality, several network appliances from Barracuda Networks Inc. contains a hidden hardware backdoor that allow to attackers to remotely control them. The devices are configured to include operating system accounts that could be used to access the appliances remotely over the Internet via secure shell (SSH) The devices were set to accept connection request only from Internet address range occupied by Barracudan Networks. Barracuds are not the only occupant of these range because various companies share the same space.”]