Research In Motion
Mobile Ad hoc NETwork (MANET) is a self configuring, infrastructure less network in which autonomous nodes forms a multi hope network for purpose of communication. Nodes act as a host and a router by forwarding unrelated data packets. Due to the undefined boundary, no centralized administrator, changing topology and wireless links it is vulnerable to many kinds of attacks. Black hole attack is a kind of denial of service attack, in which a malicious node advertises itself as having a shortest path to a destination node and then purposely drops the packets.