Attackers are increasingly abusing legitimate system utilities and widely used administrative tools to deliver malware, move through networks and avoid detection, forcing security teams to rethink ...

Learn how to transform everyday PowerShell one-liners and batch scripts into advanced functions with validation, pipeline support and help. Understand how to organize reusable code into modules with ...

BlueNoroff hackers used fake Zoom calls, ClickFix prompts, and fileless PowerShell malware to steal credentials from Web3 and crypto targets.

A previously undocumented remote access trojan (RAT) known as STX RAT has been identified following an attempted deployment in a financial services environment in late February 2026. The malware, ...

Microsoft is killing off an obsolete and vulnerable encryption cipher that Windows has supported by default for 26 years following more than a decade of devastating hacks that exploited it and ...

After noticing a spike in detections involving what looked like a movie torrent for One Battle After Another, Bitdefender researchers started an investigation and discovered that it was a complex ...

Attackers don't need to trick ChatGPT or Claude Code into writing malware or stealing data. There's a whole class of LLMs built especially for the job. One of these, WormGPT 4, advertises itself as ...

In February 2025, we discovered that the Gamaredon tool PteroGraphin was used to restart Turla’s Kazuar backdoor on a machine in Ukraine. In April and June 2025, we detected that Kazuar v2 was ...

The long-running Vidar infostealer has evolved with new obfuscation techniques. That is according to researchers at cybersecurity vendor Aryaka, which published research last week dedicated to a fresh ...

Controlled Folder Access is a security feature included in Microsoft Defender Exploit Guard, a component of Microsoft Defender Antivirus. Its main purpose is to thwart ransomware attacks by preventing ...