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SEC Dismisses Case Against SolarWinds Over 2020 Cyberattack

First seen 2 Dec 2025, 18:33 UTC • Cybersecuritydive

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The SEC has dropped its case against SolarWinds and its CISO, Tim Brown, regarding their handling of a 2020 cyberattack linked to Russian hackers. The lawsuit, initiated in late 2023, accused them of failing to disclose cybersecurity vulnerabilities that misled investors about the company's security posture.

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Attack Flow

18 entities, 31 inferred relationships (STIX 2.1).

Threat Actor (2)

Cozy Bear
Russian Foreign Intelligence Service

Technique (4)

Data Breach
Malware
Supply Chain Attack
Trojan

Campaign (1)

Sunburst Cyberattack

Organization (7)

Cisco
FireEye
Intel
Microsoft
National Nuclear Security Administration
SolarWinds
US SEC

Malware (1)

Sunburst

Affected Platform (3)

Orion
Orion Platform
SolarWinds Orion IT Management Software

Relationships

Cozy Bear uses Sunburst
Russian Foreign Intelligence Service uses Sunburst
Cozy Bear uses Data Breach
Cozy Bear uses Malware
Cozy Bear uses Supply Chain Attack
Cozy Bear uses Trojan
Russian Foreign Intelligence Service uses Data Breach
Russian Foreign Intelligence Service uses Malware
Russian Foreign Intelligence Service uses Supply Chain Attack
Russian Foreign Intelligence Service uses Trojan
Sunburst Cyberattack attributed to Cozy Bear
Sunburst Cyberattack attributed to Russian Foreign Intelligence Service
Sunburst Cyberattack uses Sunburst
Cozy Bear targets Cisco
Cozy Bear targets FireEye
Cozy Bear targets Intel
Cozy Bear targets Microsoft
Russian Foreign Intelligence Service targets Cisco
Russian Foreign Intelligence Service targets FireEye
Russian Foreign Intelligence Service targets Intel
Russian Foreign Intelligence Service targets Microsoft
Sunburst targets Cisco
Sunburst targets FireEye
Sunburst targets Intel
Sunburst targets Microsoft
Cozy Bear related to National Nuclear Security Administration
Cozy Bear related to SolarWinds
Cozy Bear related to US SEC
Cozy Bear related to Orion
Cozy Bear related to Orion Platform
Cozy Bear related to SolarWinds Orion IT Management Software

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SEC Dismisses Case Against SolarWinds Over 2020 Cyberattack

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Extracted Entities

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