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TeamViewer Data Breach Jun 2024

No known CVEs used

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Security Incident Summary

Severity Score

Significant

Organization

TeamViewer

Threat Actor

APT29

aka

Actor Type

APT

Type of Breach

Other

News Timeline

Jul 01, 2024

Official Attribution

TeamViewer Hack Officially Attributed to Russian Cyberspies securityweek.com - TeamViewer identified a security breach on June 26, attributing the attack to the Russian cyberespionage group APT29, also known as Cozy Bear. The attackers used credentials from a standard employee a...
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Weak Credentials

Jun 28, 2024

Attribution

Russian APT Reportedly Behind New TeamViewer Hack securityweek.com - TeamViewer detected a compromise in its internal corporate network on June 26, with evidence suggesting that Russia-linked APT29 might be behind the attack, although no customer data or product enviro...
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Attribution

Confirmation

TeamViewer can't bring itself to say someone broke into its network – but it happened theregister.com - TeamViewer detected a security breach in its corporate IT environment, triggering an immediate response involving cybersecurity investigators and necessary remediation measures. While initial findings...
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Confirmation

Initial Report

TeamViewer Detects Security Breach in Corporate IT Environment thehackernews.com - TeamViewer detected an irregularity in its internal corporate IT environment on June 26, 2024, and, following an investigation, attributed the incident to the APT29 threat actor. The attack targeted t...
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Initial Report

Jun 27, 2024

Initial Report

TeamViewer's corporate network was breached in alleged APT hack bleepingcomputer.com - TeamViewer's corporate IT environment was breached by an APT group, with the attack detected on June 26, 2024. While TeamViewer asserts that customer data and the product environment remain unaffected...
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Initial Report

Organization Details

Organization Size

1400

HQ Location

Göppingen, Germany

Industry

Technology

Security Stack used by TeamViewer at time of breach (best approximation) Why?

Network Security

VPN/SASE

IDS/IPS

Endpoint Security

EDR

MDM

Identity Management

SSO / MFA

IGA

Application Security

WAF

SCA

Cloud Security

CASB

CWPP

SIEM / Threat Intel

SIEM

TIP

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What is TeamViewer?

TeamViewer is a German-based software company primarily known for its proprietary software application for remote control, desktop sharing, online meetings, web conferencing, and file transfer between computers. Established in 2005 by Rossmanith GmbH, TeamViewer grew rapidly, becoming a leading solu...
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