SOCRadar researchers found one operator logged into both INC Ransom and Lynx negotiation panels using FortiBleed’s own ...

What happened A Russian-speaking initial access broker is assessed to be behind FortiBleed, a large-scale credential-harvesting operation targeting FortiGate firewalls worldwide. The campaign has been ...

Security firm SOCRadar says the large-scale FortiBleed campaign targeting Fortinet FortiGate devices used custom sniffers to ...

Microsoft’s monthly update included 206 fixes for flaws in everything from Windows to Office to Exchange Server, not to mention three zero-days.

Microsoft is continuing its effort to reduce reliance on NTLM authentication in Windows. The company has announced new Kerberos-based capabilities that will arrive in upcoming Windows 11 client and ...

VMware Horizon Client authentication failure halts connections, especially when logging in from external networks, and is usually a sign of an SSL/TLS certificate validation failure or a network-level ...

Microsoft has announced a three-phase approach to phase out New Technology LAN Manager (NTLM) as part of its efforts to shift Windows environments toward stronger, Kerberos-based options. "NTLM ...

Update as of 2/4/2026: Details on the Windows Update rollout strategy added. As organizations face an evolving threat landscape, strengthening Windows authentication is more critical than ever. The ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Hot on the heels of the NSA publishing a “high-risk of ...

Microsoft has confirmed a new login issue affecting Windows 11, version 24H2, 25H2 and Windows Server 2025 systems. The company says the issue, which triggers Kerberos and NTLM authentication failures ...