What is a DNS Hijacking attack & how to prevent it

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DNS is important in resolving the URLs you enter into the address bar of your browser.

A lot of work goes into Domain Name Resolution.

It is a sort of recursive operation that helps your browser get the IP address

of the website you are trying to reach out.

If interested, you can read more about DNS Lookup and Servers.

The term DNS Cache refers to the local cache that contains the resolved IP

addresses of websites that you frequent.

The idea of DNS Cache is to save time that would otherwise be spent

on contacting DNS servers that would start a set of recursive operations

to find out the actual IP address of the URL you need to reach.

But this cache can be poisoned by cybercriminals simply by changing the entries

in your DNS cache to fake IP addresses for the websites you use.

What is a DNS Hijacking attack & how to prevent it (thewindowsclub)