Menu
Browse
Date:

Feb 2017

Location:

Russia

Summary

The European Union's Moscow delegation experienced a sophisticated cyber espionage attack involving an advanced persistent threat that infiltrated its unclassified network, resulting in confirmed data exfiltration from multiple systems. Russian entities were suspected as perpetrators, with the breach originating earlier but remaining undetected for months until discovery shortly before critical elections. While internal security channels addressed the compromise, senior EU leadership and member states reportedly weren't adequately informed about the incident. The intrusion reflected broader patterns of state-sponsored cyber operations targeting European diplomatic entities, coinciding with heightened concerns about foreign interference during electoral periods. Investigations confirmed information theft but couldn't determine the exact scope or nature of compromised data.

CIA Posture Motives Tactics, Techniques & Procedures
Available to members 1 motive 1 technique
Threat Actor Type Location
1 actor Available to members Available to members

Description

The European Union’s embassy in Moscow experienced a sophisticated cyber espionage incident beginning in February 2017, though it remained undetected until April 2019. According to an internal EEAS document, the breach compromised systems connected to the delegation’s unclassified network, with forensic analysis confirming data exfiltration from at least two computers. The attack was classified as an advanced persistent threat (APT), indicating a prolonged, covert operation designed to maintain unauthorized access while evading detection. Investigators concluded that information had been stolen, though the specific volume and nature of the compromised data remained unclear. The EEAS acknowledged the incident privately, confirming that its leadership—including Foreign Policy Chief Federica Mogherini—had been notified, but opted against public disclosure.

Cyber Incident Image

The breach occurred against a backdrop of heightened concerns over foreign interference in European elections, with the EU implementing countermeasures like an anti-disinformation action plan ahead of May 2019 parliamentary elections. Despite these efforts, the EEAS did not formally notify member states or senior EU officials—including European Commission President Jean-Claude Juncker and European Council President Donald Tusk—about the Moscow embassy intrusion. A source familiar with the incident attributed the attack to Russian entities, noting parallels to previous APT campaigns targeting European foreign ministries, the German parliament in 2015, and the Democratic National Committee in 2016. The EEAS stated that mitigation steps were taken and an investigation launched, but provided no further operational details. The lack of broader institutional awareness underscored ongoing criticisms that EU entities underestimated the severity of Russian cyber threats during this period.

Sources
Sources available to members
1 source