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Russian state-supported cyber actors conduct phishing campaign targeting users of Zimbra Collaboration Suite

ID: c9934c73-c14c-5ade-80eb-1cd7740bdce7

STIX ID: report--c9934c73-c14c-5ade-80eb-1cd7740bdce7

Feed Name: Australian Cyber Security Centre (Advisories)

Threat Score
85/100

Date Published: 2026-07-23

Date Updated: 2026-10-13

Author: Australian Cyber Security Centre (ACSC)

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Advisory describing Russian state-sponsored and criminal cyber threats to critical infrastructure, summarising common attacker tactics, the risks posed to organisations, and recommended mitigation and response steps for defenders.

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