A unique attack called DNSMessenger uses DNS queries to carry out malicious PowerShell commands on compromised computers. A unique attack called DNSMessenger uses DNS queries to carry out malicious ...

Identical queries that get repeated every few minutes can also be an indication of DNS command and control activity, because infected computers will periodically check for new commands. There are ...

The DNSSEC protocol will bring improved security to the internet but also larger packet sizes. Before you run into problems, you can check that your resolver is able to cope with these larger packets, ...

A newly identified security threat utilizing a rarely seen DNS-based communication method has been discovered by threat analysts in an attack targeting a Taiwanese university. The backdoor, dubbed ...

Threat actors are using Domain Name System (DNS) tunneling to track when their targets open phishing emails and click on malicious links, and to scan networks for potential vulnerabilities. DNS ...

Most companies are unprepared to deal with the use of DNS as command and control channel for malware, experts said at the RSA Conference The number of malware threats that receive instructions from ...