Frequency
5
occurrences
First Seen
May 14, 2026
Last Seen
July 23, 2026
Related Threat Clusters
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Russian Hackers Exploit Zimbra Zero-Day for Espionage Campaign
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…
82 articles · Updated July 23, 2026 -
FrostyNeighbor Cyberespionage Campaign Targets Ukrainian and Polish Governments
The Belarus-aligned cyber group FrostyNeighbor has launched a targeted campaign against government organizations in Ukraine and Poland since March 2026. Utilizing spearphishing techniques, the group delivers malicious…
8 articles · Updated May 14, 2026
Recent Intelligence Reports
- TA488 Targets Zimbra Mailservers with Half — Proofpoint · July 23, 2026
- Belarus — Reform.News · May 14, 2026
- 'FrostyNeighbor' APT Carefully Targets Govt Orgs in Poland, Ukraine — Darkreading · May 14, 2026
- FrostyNeighbor: Fresh mischief and digital shenanigans — Welivesecurity · May 14, 2026
- Belarus-aligned FrostyNeighbor attacks Ukrainian government, again — Markets.Businessinsider · May 14, 2026