Since July 2025, Russian state-backed hackers, known as Laundry Bear, have exploited a zero-click vulnerability (CVE-2025-66376) in the Zimbra Collaboration Suite to infiltrate Western government and commercial…
Russian state-backed hackers from APT28 are actively exploiting a high-severity stored cross-site scripting vulnerability (CVE-2025-66376) in the Zimbra Collaboration Suite (ZCS) to target Ukrainian government entities.…
A suspected China-aligned threat group, tracked as UNK_MassTraction, has been exploiting vulnerabilities in Roundcube mail servers at U.S. and Canadian universities since May 2026. The campaign targets physics and…
APT28 (Fancy Bear) has been linked to Operation Roundish, utilizing a comprehensive Roundcube exploitation toolkit against Ukrainian government targets. The toolkit, discovered in January 2026, includes XSS payloads, a…
Insikt Group identified GrayAlpha, a threat actor linked to FIN7, utilizing a custom loader named MaskBat to deploy NetSupport RAT through various infection vectors. These include fake browser update pages, fake 7-Zip…
Multiple vulnerabilities have been identified in Mozilla products, with the most severe allowing for arbitrary code execution. Exploitation could enable attackers to install programs, access, modify, or delete data, and…
Google has released a critical security update for Chrome, addressing two high-severity vulnerabilities that could allow arbitrary code execution and denial-of-service attacks. Users on Windows, macOS, and Linux are…