Cisco Talos researchers find crypto mining detections have doubled in the last year

Security experts recommend looking for increased activity from illicit mining on corporate networks when cryptocurrency prices go up.

Image: Shutterstock/Wit Olszewski

Crypto mining may seem like a small risk when compared with all the ransomware attacks going on. However, Cisco Talos researchers note in a new analysis that “unauthorized software on end systems is never a good sign. Today it’s a crypto miner, tomorrow it could be the initial payload in an eventual ransomware attack.” 

Crypto mining has increased from 3% of all mining alerts in January 2020 to 6% in March 2021, according to analysis from Talos. Bad actors often time attacks around activities or events in the news, such as COVID-19 vaccinations. Talos recommends that security teams recognize this dynamic and incorporate it into threat monitoring. This means looking…

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