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Russian hackers exploit Zimbra flaw in Ukrainian govt attacks

UnknownMar 19, 2026(about 2 hours ago)

Russian hackers are exploiting a Zimbra Collaboration Suite vulnerability to target Ukrainian government entities.

Hackers part of APT28, a state-backed threat group linked to Russia's military intelligence service (GRU), are exploiting a Zimbra Collaboration Suite (ZCS) vulnerability in attacks targeting Ukrainian government entities. [...]

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