The Domain Name System (DNS) is a cornerstone of the internet. DNS servers connect URL names that humans can read to unique Internet Protocol (IP) addresses that web browsers can understand. Without DNS, we’d all be typing in long, seemingly random combinations of characters and numbers in order to get anywhere online! However, this dependency opens up the possibility for misuse. From domain hijacking and cache poisoning to Denial of Service attacks, DNS is no stranger to being attacked or even scarier, being an attack vector!
It’s not difficult to see why attackers would use DNS as an attack vector. Any application that uses the internet uses it, even though a majority of internet traffic is web content. This includes email, peer-to-peer sharing, RDP, SSH, etc. Fortunately, this crucial component of the internet can be used ..
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