All You Need to Know About DNS Spoofing to Keep Your Organization Safe

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The DNS in and of itself has never been secure. Being created in the 1980s when the Internet was a complete novelty, protection had not been a priority in its design. Throughout time, this has led malicious actors to take advantage of this issue and develop elaborate attack techniques that leverage the DNS, such as DNS spoofing.

In the following lines, I will go over the definition of DNS spoofing, as well as the most common methods cyberattacks employ for it. In addition to this, I will also present a simple, step-by-step overview of an attack and a few tips on how to prevent it. So, without further ado, let’s get into it.

What is DNS Spoofing?

DNS spoofing is a cyber-attack in which fake data is introduced into the DNS resolver’s cache, which causes the name server to return an incorrect IP address. In other words, these types of attacks exploit vulnerabilities in domain name servers and redirect traffic towards illegitimate websites.

When a recursive resolver sends a request to an authoritative name server, the resolver has no means of checking the response’s validity. The best the resolver can do is check if the response

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