Attackers linked to Storm-2561 use SEO-poisoned search results to lure users to fake Ivanti, Cisco, and Fortinet VPN sites that steal corporate login credentials. In mid-January 2026, Microsoft Defender Experts uncovered a credential-theft campaign attributed to Storm-2561. Threat actor is spreading fake enterprise VPN clients impersonating Ivanti, Cisco, and Fortinet software. By poisoning search engine…
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Fake enterprise VPN downloads used to steal company credentials
A threat actor tracked as Storm-2561 is distributing fake enterprise VPN clients from Ivanti, Cisco, and Fortinet to steal VPN credentials from unsuspecting users. […]
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Storm-2561 targets enterprise VPN users with SEO poisoning, fake clients
Microsoft has warned enterprises that cybercriminal group Storm-2561 is hijacking search engine results to serve trojanized VPN clients, stealing corporate credentials, and then covering its tracks before victims suspect anything is wrong. The group pushes spoofed websites to the top of results for queries such as “Pulse VPN download” or “Pulse Secure client,” redirecting users…