A sudden CPU spike turned out to be the first clue of an in-progress RansomHub ransomware attack. Varonis breaks down how their team traced the attack from fake browser updates to domain-admin takeover, ultimately stopping the attack before files were encrypted. [...]

https://www.bleepingcomputer.com/news/security/how-a-cpu-spike-led-to-uncovering-a-ransomhub-ransomware-attack/