TeamViewer Confirms that Russian Actors Behind the Recent Hack

TeamViewer, the renowned remote access software company, has officially confirmed that the recent cyberattack on its internal corporate IT environment was orchestrated by the Russian state-sponsored hacking group APT29, known as Midnight Blizzard or Cozy Bear.

The attack, detected on June 26, 2024, has been attributed to the same group implicated in several high-profile cyber incidents, including the 2020 SolarWinds hack and the 2016 Democratic National Committee breach.

In a series of statements released on their Trust Center, TeamViewer detailed the timeline and nature of the breach.

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The company’s security team identified suspicious activity tied to the credentials of a standard employee account within their corporate IT environment.

Incident & Response

Immediate incident response measures were enacted, and investigations commenced in collaboration with globally renowned cybersecurity experts and relevant authorities.

TeamViewer has emphasized that the breach was contained within its corporate IT environment and did not extend to its product environment, connectivity platform, or any customer data.

The investigation, supported by continuous security monitoring and external incident response teams, led to the attribution of the attack to APT29.

This group, allegedly linked to Russia’s Foreign Intelligence Service (SVR), is known for its sophisticated cyber-espionage campaigns targeting government, military, and technology sectors worldwide.

TeamViewer has reiterated its commitment to transparency and security. “Security is of utmost importance for us, it is deeply rooted in our DNA,” the company stated.

They assured stakeholders that the product environment remains secure and that there is no evidence of compromised customer data.

The company continues working closely with cybersecurity experts and authorities to investigate further and mitigate potential risks.

The cybersecurity community has responded with heightened vigilance. Experts have advised organizations using TeamViewer to review their security measures and monitor for any unusual activity.

Matt Hull, global head of threat intelligence at NCC Group, recommended removing TeamViewer software as a precaution until more details about the compromise are known.

TeamViewer’s prompt response and transparent communication have been crucial in managing the incident and maintaining stakeholder trust.

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