Hundreds of companies around the world, including one of Sweden’s largest grocery chains, battled potential cybersecurity vulnerabilities on Saturday after a software provider that provides services to more than 40,000 companies, Kaseya, said it was the victim of a “sophisticated cyber attack.”
Security researchers said the attack could have been carried out by REvil, a Russian cybercriminal group the FBI said was behind the hacking of the world’s largest meat processor, JBS, in May.
In Sweden, grocer Coop had to close at least 800 stores on Saturday, according to Sebastian Elfors, cybersecurity researcher at security company Yubico. Signs in front of the Coop branches rejected the customers: “We have had a major IT malfunction and our systems are not working.”
Mr Elfors said a Swedish railroad and a large chain of pharmacies were also affected by the attack on Kaseya. “It’s totally devastating,” he said.
The attack was …