Russian state-supported cyber actors are conducting a phishing campaign targeting users of Zimbra Collaboration Suite. The zero-click attack technique requires no user interaction, according to advisories from CISA and the UK's NCSC.
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Russian State-Supported Cyber Actors Conduct Phishing Campaign Targeting Users of Zimbra Collaboration Suite Executive summary A group of Russian state-supported cyber actors has been targeting and compromising various Western government and commercial organizations using the Zimbra Collaboration Suite (ZCS) software since at least July 2025. The Russian state-supported advanced persistent threat
Russian State-Supported Cyber Actors Conduct Phishing Campaign Targeting Users of Zimbra Collaboration Suite https://www. cisa.gov/news-events/cybersecu rity-advisories/aa26-204a?utm_source=dlvr.it&utm_medium=%5Binfosec.exchange%5D
[NCSC Zimbra phishing alert] https://www.ncsc.gov.uk/news/uk-and-partners-expose-russian-state-supported-actors-for-new-zero-click-phishing-campaign GCHQ’s National Cyber Security Centre and international partners issue warning as ‘LAUNDRY BEAR’ cyber threat group exposed for targeted phishing campaign
New advisory. CISA: Russian State-Supported Cyber Actors Conduct Phishing Campaign Targeting Users of Zimbra Collaboration Suite https://www. cisa.gov/news-events/cybersecu rity-advisories/aa26-204a # CISA # infosec # Zimbra # phishing
Russian state-supported hackers are targeting organizations with a new attack technique using a Zero-Click method which doesn’t require users to interact with the phishing email. The campaign is designed to compromise networks and gain persistent access, a joint advisory from western cyber intelligence agencies including National Cyber Security Centre has warned. “This phishing campaign demonstrat
www.politico.com/news/2026/07... “We have a hell of a lot of work to do,” one House Republican said.