This Russian cybercrime campaign can infect a user just by viewing an email
Proofpoint reports that Russian TA488 exploited Zimbra zero-day CVE-2025-66376 in espionage campaigns “Half-click exploit” lets attackers compromise systems when victims simply view malicious emails Targets included NATO, the Ukrainian government and defense units; the group disappeared after exposure in February 2026 Russian state-sponsored cybercriminals have abused a zero-day vulnerability in the Zimbra email and collaboration […]
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