Microsoft 365 network connectivity test tool fails

If Microsoft 365 network connectivity test tool fails, whitelist required URLs and IP ranges on Firewall/Proxy, bypass the ...

FortiGate Edge Intrusions: Stolen Service Accounts Lead to Rogue Workstations and Deep AD Compromise

Throughout early 2026, SentinelOne’s Digital Forensics & Incident Response (DFIR) team has responded to several incidents where FortiGate Next-Generation Firewall (NGFW) appliances have been ...
Microsoft

Storm-2561 uses SEO poisoning to distribute fake VPN clients for credential theft

Storm-2561 uses SEO poisoning to push fake VPN downloads that install signed trojans and steal VPN credentials. Active since ...
The Hacker News

Storm-2561 Spreads Trojan VPN Clients via SEO Poisoning to Steal Credentials

Storm-2561 spreads fake VPN installers via SEO poisoning and GitHub downloads, stealing enterprise VPN credentials with Hyrax ...
CSO Online

Storm-2561 targets enterprise VPN users with SEO poisoning, fake clients

The financially motivated group has been active since May 2025, impersonating Fortinet, Ivanti, Cisco, and other vendors to ...
Microsoft

Signed malware impersonating workplace apps deploys RMM backdoors

Signed malware backed by a stolen EV certificate deployed legitimate RMM tools to gain persistent access inside enterprise ...