As surprising as it sounds, there are still people out there who use well-known exploits, such as war dialing, to gain unauthorized access. This term became popular with the film War Games and refers to a technique that involves the exploitation of an organization’s telephone, dial, and private branch exchange (PBX) systems to penetrate internal network and computing resources. All the attacker has to do is find a user within the organization with an open connection through a modem unknown to the IT staff or a modem that has minimal or, at worst, no security services enabled. It is important.
