CERT warns that DNS Cache Poisoning attacks could be used also to hijack email to a rogue server and not only to divert the Internet traffic.
DNS attacks are very popular in hacking community, they could be run by cyber criminals and state-sponsored hackers for various purposes, including cyber espionage and financially motivated attacks.A DNS is a critical component in a network because it is responsible for the translation of logical names into IP addresses, but an attacker could hit DNS servers to force to return an incorrect IP address and divert traffic to another computer managed by bad actors.
Recently we have assisted different cases of DNS spoofing or cache poisoning attacks, in which hackers redirect the traffic of a legitimate website to a bogus one with serious consequences.
But DNS is also a crucial component for many other Internet protocols, including email that use DNS responses to determine the final recipient of the email.
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