Zero Day Wire

Threats

ForumTroll Hackers Target Russian Academics in New Phishing Attack

Cyber-espionage group shifts tactics, using fake scientific library emails to infect individual researchers A cyber-espionage group known as ForumTroll has launched a new phishing campaign targeting Russian academics, marking the group’s return months after exploiting a Google Chrome zero-day vulnerability earlier in 2025. The attacks, detected in October 2025,

Breaches

Dozens of Major Data Breaches Linked to Single Threat Actor

Hudson Rock reports that several high-profile data breaches have been tied to a threat actor who gains entry into enterprise networks using stolen credentials. The actor, known as “Zestix” and also associated with the online persona “Sentap,” operates as an initial access broker (IAB). In addition to facilitating access, the

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