These four types of ransomware make up nearly three-quarters of reported incidents

Ransomware causes problems no matter what brand it is, but some forms are noticeably more prolific than others, with four strains of the malware accounting for a combined total of almost 70% of all attacks. 

According to analysis by cybersecurity company Intel 471, the most prevalent ransomware threat towards the end of 2021 was LockBit 2.0, which accounted for 29.7% of all reported incidents. Recent victims of LockBit have included Accenture and the French Ministry of Justice.  

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Almost one in five reported incidents involved Conti ransomware, famous for several incidents over the past year, including an attack against the Irish Healthcare ExecutiveThe group recently had chat logs leaked, providing insights into how a ransomware gang works. PYSA and Hive account for one in 10 reported ransomware attacks each. 

SEE: Cybersecurity: Let’s get tactical (ZDNet special report)  

“The most prevalent ransomware strain in the fourth quarter of 2021 was LockBit 2.0, which was responsible for 29.7% of all reported incidents, followed by Conti at 19%, PYSA at 10.5% and Hive at 10.1%,” said the researchers.

Cybersecurity researchers at Intel 471 examined 722 ransomware attacks that took place between October and December 2021 and identified the most impacted sectors. 

Top of the list was consumer and industrial products, which

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