Large Scale Analysis of DNS Query Logs Reveals Botnets in the Cloud

Community Manager

The arms race between data security professionals and cybercriminals continues at a rapid pace. More than ever, attackers exploit compute resources for malicious purposes by deploying malware, known as “bots”, in virtual machines running in the cloud. Even a conservative estimate reveals that, at least, 1 in every 10,000 machines are part of some known Botnet.


To better protect VMs in the cloud, Azure Security Center (ASC) applies a novel supervised Machine Learning model for high-precision Botnet detection based on analysis of DNS query logs. This model achieves 95% precision and 43% recall and can detect Botnets before they are reported by antimalware companies.




Read more on the Azure blog.

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