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Rosneft Deutschland, the German petroleum distribution and trading subsidiary of Russian oil company Rosneft, was attacked on March 11, 2022, in the first weeks of Russia’s full-scale invasion of Ukraine. Anonymous claimed responsibility and said it took 20 terabytes of data; the German Federal Office for Information Security (BSI) later confirmed substantial data extraction but did not verify that specific volume. The BSI reported no perceptible supply shortages.
What happened to Rosneft Deutschland?
The BSI’s retrospective account dates the attack to March 11, 2022. In a report published two days after the attack, AFP said Rosneft Deutschland notified the BSI early on Saturday, March 12. Those dates describe different events: the attack and the company’s subsequent report.
AFP reported that Rosneft Deutschland was a German petroleum distribution and trading subsidiary of Russia’s Rosneft. At the time, the company said it accounted for around one quarter of Germany’s crude oil imports in recent years, and AFP reported that it held stakes in three refineries. The import share was company-reported context, not an independently verified figure for the day of the attack. AFP’s March 14, 2022 report via SecurityWeek
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Who claimed responsibility, and was 20 terabytes taken?
Anonymous claimed responsibility on Friday, March 11, according to AFP, and said it had taken 20 terabytes of data. The group offered a rationale of its own: “But Rosneft Germany is interesting enough,” AFP quoted it as saying. That is the group’s framing, not independently established evidence of motive.
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The BSI’s later account confirms that a large volume of data was extracted from storage systems, mail servers, and hard disk images. It does not confirm Anonymous’s 20-terabyte figure. The precise total should therefore be treated as a claim by the group, not a verified forensic measurement. BSI, Die Lage der IT-Sicherheit in Deutschland 2022; BSI newsletter, March 17, 2022
Did the attack disrupt oil supplies?
The BSI said Rosneft Deutschland shut down its systems after they had to be treated as compromised. With help from authorities and an external BSI-qualified APT provider, the company restored the necessary systems to emergency operation after uncertainty over service-provider support and how sanctions should be interpreted had been addressed.
The BSI reported no perceptible supply shortages. AFP’s contemporaneous report also said pipelines and refineries continued to operate normally. The BSI cautioned that a prolonged disruption could have caused economic damage and constraints on supply; that was a potential consequence, not a report that shortages occurred. BSI, Die Lage der IT-Sicherheit in Deutschland 2022; AFP’s March 14, 2022 report via SecurityWeek
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AFP reported, citing Der Spiegel, that prosecutors in Berlin had opened an investigation. The cited reporting establishes that the investigation was reported as opened; it does not establish a final outcome. No arrest, charge, or prosecution result is supported by these accounts.
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The cited accounts also do not establish how the attackers gained access, what malware or other tools they used, or who operated the attack. Anonymous’s responsibility claim is an attribution by the group itself, not independent confirmation of the operator’s identity.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What was the wider security context?
AFP’s report reproduced a BSI warning describing an “increased threat situation for Germany.” In an archived assessment updated August 3, 2022, the BSI said the threat was elevated and urged organizations to review and adapt their information-security measures. This provides broader context for the period; it does not establish a motive or method for the Rosneft Deutschland attack. BSI archived cyber-situation assessment; AFP’s March 14, 2022 report via SecurityWeek
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