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 … Continue reading Storm-2561 lures victims to spoofed VPN sites to harvest corporate logins