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U.S. and Allies Accuse Russia of Cyberattacks Against Ukraine and NATO

The U.S. and nine allied nations have formally accused Russia of launching cyberattacks against Ukraine and NATO member states since 2020. The cyberattacks were orchestrated by GRU Unit 29155, targeting critical infrastructure, with significant impacts seen ahead of Russia’s invasion of Ukraine. This marks a strong international stance against Russian cyber aggression.

An Estonian official said the delay in calling out Russia enabled the impacted nations to understand the full scope of the incidents. | Samuel Corum/Getty Images

U.S. and Allies Accuse Russia of Cyberattacks

On September 5, 2024, the U.S., along with nine allied nations, officially accused Russia of orchestrating cyberattacks against Ukraine and NATO countries. These attacks, which began in 2020, primarily targeted critical infrastructure in various sectors, including government, transportation, financial, and healthcare.

GRU Unit 29155 Behind the Attacks

The attacks have been attributed to GRU Unit 29155, a notorious Russian military hacking group. The cyber campaign intensified ahead of Russia’s invasion of Ukraine in January 2022, with malware such as “WhisperGate” used to disrupt Ukrainian government and private sector systems.

Global Cyber Threat

The cyberattacks were not limited to Ukraine and NATO states. Over 14,000 instances of network scans were observed in more than 20 NATO member states, as well as in Central American and Asian countries. The attacks included the defacement of websites and theft of sensitive data, which was later posted online.

Collaborative Attribution

The delay in formally attributing the attacks to Russia allowed affected nations to fully assess the scope of the incidents. This international collaboration, which included the FBI, CISA, and NSA, along with agencies from several European nations, marks a significant moment in global cybersecurity efforts.

Estonian Involvement

For Estonia, this was a landmark moment as it marked the first time the country formally attributed a cyberattack to another nation. In late 2020, Russian hackers compromised several Estonian ministries, including the Foreign Ministry, in attacks that have now been officially linked to Russia.

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