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image: The Merkle

DNS Hijacking: The Silent Threat That Is Putting Your Network at Risk

January 30, 2018

The technique is easy to carry out and can cause much damage. Here’s what you need to know about fighting back.

In its bag of tricks, the recently discovered MaMi malware has the ability to modify the DNS configuration of an infected device. This is a good reminder that DNS hijacking is an ongoing threat that needs to be taken seriously by corporate IT organizations. DNS hijacking is easy to carry out, can be tough to detect, and is surprisingly damaging. Here’s what you ought to know and what you can do to combat it.

DNS hijacking is simple enough: one only needs to rewrite the configuration of a device on the Internet so that it sends DNS queries to malicious DNS servers. Many species of malware do this, often as just one of many consequences of infecting a device.

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