U.S., U.K., and Dutch agencies say Iran’s intelligence service uses Telegram-controlled Windows malware to spy on dissidents and journalists.

The Iran-linked "hacktivist" persona known as Handala Hack has been attributed to a Telegram-based surveillance backdoor called HEAVYGRAM and a Delphi-based utility known as CRUDEEXCLUDE. "HEAVYGRAM ...

Over the weekend, security researcher Abdelhamid Naceri (also known as Nightmare Eclipse) released another Microsoft Defender zero-day exploit that blocks antivirus updates.

Want to know how to disable Windows Defender in Windows 11? In this step-by-step tutorial, I’ll show you how to turn off Microsoft Defender Antivirus and manage Windows Security settings on your ...

Microsoft has resolved a known issue that causes incorrect alerts warning that Defender Antivirus was turned off after installing recent updates.

Learn how to reduce Windows 11 26H2 telemetry and tracking with built-in privacy settings, Group Policy, Edge controls, and O&O ShutUp10++.

Microsoft observed phishing campaigns that abused MSP360 RMM to deploy ScreenConnect, creating redundant remote-access channels for follow-on activity ...

Microsoft on September 23, 2026, announced the integrated security operations center (ISOC) in Microsoft Defender, a foundation for agentic security that brings security information and event ...

Jaguar Land Rover (JLR) has its eyes on expansion in the United States, and its first jab at U.S. production will likely be a Defender pickup truck built in collaboration with Stellantis, according to ...

The Economic Security and Technology Department examines the most pressing issues facing the United States and its partners in sustaining economic and technological advantages essential to prosperity, ...

Support for Windows 10 officially ended a year ago, on Oct. 14, 2025. Any PC running Windows 10 with its default settings no longer receives critical monthly security updates from the Windows Update ...