More than 1,000 companies have been hit by a cyberattack on US software developer Kaseya. Operators of the ransomware virus REvil, which has been linked to Russia, are allegedly behind the hack.
On July 2, Kaseya recommended its customers to shut down the software due to the possible attack, which was later confirmed. The company said the hackers' actions affected a small group of its customers, but the scale of the attack grew as the investigation progressed.
According to Bloomberg, citing analysts at Huntress Labs, the attackers attacked at least eight IT support companies and could have accessed the networks of thousands of those organisations' customers.
"This is one of the biggest attacks carried out by non-state actors that we have ever seen. And it seems to be aimed solely at making money. It's hard to imagine a better way to spread malware than through trusted IT service providers," said Andrew Howard, head of Kudelski Security.
Cybersecurity experts immediately suspected the REvil hacker group was behind the attack. Huntress Labs later discovered the hackers' darknet site demanding a $70 million ransom in bitcoins to decrypt the files of all victims.
REvil (also known as Sodinokibi) is often linked to the Russian Federation due to the fact that they do not attack Russian organisations or businesses in the former Soviet Union and frequently publish messages in Russian.
US President Joe Biden said he was not convinced that Russian authorities were involved in the attack on Kaseya. He also said that US intelligence agencies were investigating the incident.
Recall that in March REvil encrypted Acer files and demanded to pay $50 million in Monero cryptocurrency, in April the group attacked Apple supplier.
In June, REvil victimised the world's largest meat processing company, JBS, and paid the hackers a ransom of $11m in bitcoin.
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