German software company Teamviewer accused Russian hacker group APT29 on Friday (28 June) of being behind a cyberattack on the company.

Western intelligence has accused the group, known as ‘Cozy Bear’, of working on behalf of the Russian Government. 

Teamviewer, a German-based cloud specialist, said in a statement that the group had accessed its IT environment but had not gained access to customer data. 

John Hultquist, mandiant chief analyst at Google Cloud, said APT29 was one of the most “challenging actors we track and they are targeting tech companies of all sizes”.

“They work very hard to stay under the radar, but despite their focus on stealth, they are not afraid to undertake these bold supply chain attacks,” Hultquist added. 

Hultquist said the hacking group were moving through tech companies “in order to get to their customers, where they expect to find the intelligence that feeds decision making in the Kremlin”.

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