A new variant of Ryuk ransomware previously unknown to antivirus software providers and security agencies was behind a cyberattack on Sopra Steria's operations, the digital services company has confirmed.
Sopra Steria’s investigation teams immediately provided authorities with all the information it required and made the virus signature to this new Ryuk strain available to all leading antivirus software providers so they could update their software.
The attack was only launched a few days before it was detected and it will take a few weeks for a return to normal, according to a company press release.
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