DNS hijacking is a type of attack used to route the communications between advertising DNS servers and resolvers through the attacker's IT system. Using this man-in-the-middle attack, the attacker can intercept and record communications between the servers. The far greater threat, however, is that a successful attacker may be able to manipulate any data traffic between two communication partners in any number of ways. If a request is sent by the resolver of a client IT system to a DNS server after a successful DNS hijacking attack, the attacker can, for example, modify the assignment of IP addresses to names. DNS hijacking can also be combined with other attacks, such as phishing.