Search: “Winter Vivern”

6 stories

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DomainAll Cyber AIWindow24h 3d 7d 30d AllIn the wild Important only Show duplicates

CategoryAll Exploit / PoC 20 Vulnerability 12 Threat actor 11 Malware 5 Data breach 2 Ransomware 1 Advisory 1

SeverityAll critical 36 high 10 medium 6 low 0 info 0

‘MoustachedBouncer’ espionage hackers targeting embassies in Belarus

The RecordAug 11, 15:14 UTC · Aug 11, 2023Threat actor

45

Russian-Linked Hackers Target 80+ Organizations via Roundcube Flaws

The Hacker NewsFeb 20, 10:28 UTC · Feb 20, 2024Vulnerability

30

Russian BlueDelta hackers ran phishing campaign against Ukrainian webmail users

The RecordDec 17, 19:09 UTC · Dec 17, 2025Threat actor

45

Russia-linked hackers target webmail servers in Ukraine-related espionage operation

Help Net SecurityMay 15, 00:00 UTC · May 15, 2025Threat actor CVE-2023-43770 CVE-2024-11182

50

Hackers Exploit Roundcube Webmail XSS Vulnerability to Steal Login Credentials

The Hacker NewsOct 21, 12:12 UTC · Oct 21, 2024Vulnerability CVE-2024-37383

35

Unknown threat actors exploit Roundcube Webmail flaw in phishing campaign

Security AffairsOct 21, 06:28 UTC · Oct 21, 2024Threat actor CVE-2024-37383

50