Hackers have targeted the German subsidiary of the Russian state-controlled energy giant, Rosneft, Germany’s Federal Office for Information Security (BSI) said on March 14. Anonymous, an online group of hackers that has previously targeted Russian media channels, published a statement on Friday claiming responsibility for the attack on Rosneft Deutschland GmbH. The group said it had captured 20 terabytes of data and that “it is confirmed to have caused extensive damage.” Rosneft Deutschland reported the incident in the early hours of the morning on March 12, the BSI confirmed to die Welt newspaper, adding that the BSI had offered support to rectify the issue and is in constant communication with Rosneft. A cyber security warning has also been issued to other stakeholders in the petroleum industry, according to die Welt, which reported that there had so far been no effect on Rosneft’s business or supply chain. German news outlet Der Spiegel also reported on the cyber attack, adding …