Russian State-Supported Cyber Actors Conduct Phishing Campaign Targeting Users of Zimbra Collaboration Suite


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 (APT) group’s activity is tracked in the cybersecurity community under several names (see Cybersecurity industry tracking), primarily as “LAUNDRY BEAR,” a name initially coined by the Netherlands General Intelligence and Security Service (AIVD) and Defence Intelligence and Security Service (MIVD).

Read more…
Source: U.S. Federal Bureau of Investigation Cyber Division


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • Selling Ransomware Breaches: 4 Trends Spotted on the RAMP Forum

    August 20, 2024

    The sale and purchase of unauthorized access to compromised enterprise networks has become a linchpin for cybercriminal operations, particularly in facilitating ransomware attacks. Underground forums are sharing guidelines on breaching networks and selling the access they obtain, leaving the exploitation to other malicious actors. On underground criminal forums, these transactions allow actors with complementary skills to ...

  • BVI Electricity Corporation suffers cyber attack

    August 20, 2024

    The BVI Electricity Corporation (BVIEC) announced on Monday, August 19, that it had fallen victim to a cyberattack. The power company stated that the attack has impacted both their internal and external operations. While the full details of the cyberattack have not been disclosed, BVIEC has assured the public that they are working closely with experts ...

  • Ransomware attacks surge over 60% in UK and US

    August 20, 2024

    Malwarebytes’ 2024 State of Ransomware report published today (20 August) shows a surge in malicious activity on US and UK businesses. The “ThreatDown 2024 State of Ransomware” report reveals an alarming increase in ransomware attacks over the past year. In the US there has been a 63% increase in ransomware attacks on organisations and businesses, with ...

  • Amsterdam municipality bans Telegram on work phones over security concerns

    August 19, 2024

    The municipality of Amsterdam has banned its civil servants from using the messaging app Telegram on their work phones due to concerns over criminal activity and potential espionage, local media reported on Monday. The ban, which was implemented at the end of April but only recently made public, is attributed to fears that Telegram could be ...

  • Hacked GPS tracker reveals location data of customers

    August 19, 2024

    Stalkerware researcher maia arson crimew strikes again. Big time. We know maia as a researcher that loves to go after stalkerware peddlers, which Malwarebytes—as one of the founding members of the Coalition Against Stalkerware—loves to see. The investigation into Tracki, besides uncovering a tangled web of companies, dubious websites, and false identities, also led to a ...

  • Wichita airport still without Wi-Fi months after cyber attack

    August 19, 2024

    It’s been more than three months since a cyber attack on Wichita took the city’s computer systems offline, and one city service is still not completely back to normal. Dwight D. Eisenhower National Airport was impacted by May’s attack. The airport’s Wi-Fi services went down, as well as its departure and arrival screens. While the screens ...