DNSFilter acquires Zorus

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    Glossary > DNS and Networking Security > DNS Tunneling
    Table of Contents

      DNS Tunneling

      This is a malware technique that allows an attacker to establish a command-and-control (C2) channel to a victim’s computer. The channel created provides a means of encapsulating a malicious payload within DNS queries to take advantage of the relatively unrestricted flow of DNS traffic, especially in scenarios where almost all other traffic is restricted.

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