A Rogue access point is an unauthorized access point connected to the authorized network. Typically, this access point can be used as a backdoor entry by an attacker, thus enabling him to bypass all security controls on the network. This would mean that the firewalls, intrusion prevention systems, and so on, which guard the border of a network would be able to do little to stop him from accessing the network.
In the most common case, a Rogue access point is set to Open Authentication and no encryption. The Rogues access point can be created in two ways: