UNC5221

Entity category: ORGANIZATION

BigTech Companies

China-Linked Hackers Exploited Dell Zero-Day Since 2024

A China-linked cyberespionage group exploited a critical Dell software vulnerability (CVE-2026-22769) for over a year, using it to implant stealthy…

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Business

‘BRICKSTORM’ Backdoor: Chinese Hackers Target US Firms

A sophisticated cyber espionage campaign using the BRICKSTORM backdoor is targeting U.S. companies, particularly in legal, tech, and SaaS sectors,…

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BigTech Companies

Google: BrickStorm Malware Stole U.S. Data for a Year

A sophisticated cyber espionage campaign using BrickStorm malware successfully stole sensitive data from American technology, legal, SaaS, and BPO companies…

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BigTech Companies

State Hackers Exploit Most Software Vulnerabilities

State-sponsored hackers were responsible for over half of all attributed software vulnerability exploits in the first half of 2025, primarily…

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