Crazy ransomware gang abuses employee monitoring tool in attacks
A member of the Crazy ransomware gang is abusing legitimate employee monitoring software and the SimpleHelp remote support tool to maintain persistence in corporate networks, evade detection, and prepare for ransomware deployment. The breaches were observed by researchers at Huntress, who investigated multiple incidents where threat actors deployed Net Monitor for Employees Professional alongside SimpleHelp for remote […]
Police arrest seller of JokerOTP MFA passcode capturing tool
The Netherlands Police have arrested a a 21-year-old man from Dordrecht, suspected of selling access to the JokerOTP phishing automation tool that can intercept one-time passwords (OTP) for hijacking accounts. The suspect is the third one arrested after authorities after a three-year investigation that led to dismantling the JokerOTP phishing-as-a-service (PhaaS) operation in April 2025. At the […]
LummaStealer infections surge after CastleLoader malware campaigns
A surge in LummaStealer infections has been observed, driven by social engineering campaigns leveraging the ClickFix technique to deliver the CastleLoader malware. LummaStealer, also known as LummaC2, is an infostealer operation running as a malware-as-a-service (MaaS) platform that was disrupted in May 2025 when multiple tech firms and law enforcement authorities seized 2,300 domains and the central command structure supporting the malicious […]
Microsoft releases Windows 11 26H1 for select and upcoming CPUs
Microsoft has announced Windows 11 26H1, but it’s not for existing PCs. Instead, it will ship on devices with Snapdragon X2 processors and possibly other rumored ARM chips. Microsoft insists Windows 11 is still following an annual update cadence, which means Windows 11 26H2 is likely on track. According to Microsoft, Windows 11 26H1 is […]
New Linux botnet SSHStalker uses old-school IRC for C2 comms
A newly documented Linux botnet named SSHStalker is using the IRC (Internet Relay Chat) communication protocol for command-and-control (C2) operations. The protocol was invented in 1988, and its adoption peaked during the 1990s, becoming the main text-based instant messaging solution for group and private communication. Technical communities still appreciate it for its implementation simplicity, interoperability, […]
North Korean hackers use new macOS malware in crypto-theft attacks
North Korean hackers are running tailored campaigns using AI-generated video and the ClickFix technique to deliver malware for macOS and Windows to targets in the cryptocurrency sector. The threat actor’s goal is financial, as suggested by the role of the tools used in an attack on a fintech company investigated by Google’s Mandiant researchers. During […]
Malicious 7-Zip site distributes installer laced with proxy tool
A fake 7-Zip website is distributing a trojanized installer of the popular archiving tool that turns the user’s computer into a residential proxy node. Residential proxy networks use home user devices to route traffic with the goal of evading blocks and performing various malicious activities such as credential stuffing, phishing, and malware distribution. The new campaign […]
Microsoft February 2026 Patch Tuesday fixes 6 zero-days, 58 flaws
Today is Microsoft’s February 2026 Patch Tuesday with security updates for 58 flaws, including 6 actively exploited and three publicly disclosed zero-day vulnerabilities. This Patch Tuesday also addresses five “Critical” vulnerabilities, 3 of which are elevation of privileges flaws and 2 information disclosure flaws. The number of bugs in each vulnerability category is listed below: When GeekFeed […]
Microsoft releases Windows 10 KB5075912 extended security update
Microsoft has released the Windows 10 KB5075912 extended security update to fix February 2026 Patch Tuesday vulnerabilities, including six zero-days, and continue rolling out replacements for expiring Secure Boot certificates. If you are running Windows 10 Enterprise LTSC or are enrolled in the ESU program, you can install this update like normal by going into Settings, […]
Windows 11 KB5077181 & KB5075941 cumulative updates released
Microsoft has released Windows 11 KB5077181 and KB5075941 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. Today’s updates are mandatory as they contain the February 2026 Patch Tuesday security patches for vulnerabilities discovered in previous months. You can install today’s update by going to Start > Settings > Windows Update and clicking on ‘Check for Updates.’ You can also manually download and install […]