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OpenAI Revokes macOS App Certificate After Malicious Axios Supply Chain Incident

OpenAI Revokes macOS App Certificate After Malicious Axios Supply Chain Incident

OpenAI revealed a GitHub Actions workflow used to sign its macOS apps, which downloaded the malicious Axios library on March 31, but noted that no user data or internal system was compromised. “Out of an abundance of caution,… 

CPUID Breach Distributes STX RAT via Trojanized CPU-Z and HWMonitor Downloads

CPUID Breach Distributes STX RAT via Trojanized CPU-Z and HWMonitor Downloads

Ravie LakshmananApr 12, 2026Malware / Threat Intelligence Unknown threat actors compromised CPUID (“cpuid[.]com”), a website that hosts popular hardware monitoring tools like CPU-Z, HWMonitor, HWMonitor Pro, and PerfMonitor, for less than 24 hours to serve malicious… 

Adobe Patches Actively Exploited Acrobat Reader Flaw CVE-2026-34621

Adobe Patches Actively Exploited Acrobat Reader Flaw CVE-2026-34621

Ravie LakshmananApr 12, 2026Vulnerability / Endpoint Security Adobe has released emergency updates to fix a critical security flaw in Acrobat Reader that has come under active exploitation in the wild. The vulnerability, assigned the CVE identifier CVE-2026-34621,… 

Law Enforcement Used Webloc to Track 500 Million Devices via Ad Data

Law Enforcement Used Webloc to Track 500 Million Devices via Ad Data

Hungarian domestic intelligence, the national police in El Salvador, and several U.S. law enforcement and police departments have been attributed to the use of an advertising-based global geolocation surveillance system called Webloc. The tool was developed by… 

GlassWorm Campaign Uses Zig Dropper to Infect Multiple Developer IDEs

GlassWorm Campaign Uses Zig Dropper to Infect Multiple Developer IDEs

Ravie LakshmananApr 10, 2026Malware / Blockchain Cybersecurity researchers have flagged yet another evolution of the ongoing GlassWorm campaign, which employs a new Zig dropper that’s designed to stealthily infect all integrated development environments (IDEs) on a… 

Browser Extensions Are the New AI Consumption Channel That No One Is Talking About

Browser Extensions Are the New AI Consumption Channel That No One Is Talking About

While much of the discussion on AI security centers around protecting ‘shadow’ AI and GenAI consumption, there’s a wide-open window nobody’s guarding: AI browser extensions.  A new report from LayerX exposes just how deep this blind spot goes, and why… 

Google Rolls Out DBSC in Chrome 146 to Block Session Theft on Windows

Google Rolls Out DBSC in Chrome 146 to Block Session Theft on Windows

Ravie LakshmananApr 10, 2026Malware / Browser Security Google has made Device Bound Session Credentials (DBSC) generally available to all Windows users of its Chrome web browser, months after it began testing the security feature in open beta. The public availability… 

Marimo RCE Flaw CVE-2026-39987 Exploited Within 10 Hours of Disclosure

Marimo RCE Flaw CVE-2026-39987 Exploited Within 10 Hours of Disclosure

Ravie LakshmananApr 10, 2026Vulnerability / Threat Intelligence A critical security vulnerability in Marimo, an open-source Python notebook for data science and analysis, has been exploited within 10 hours of public disclosure, according to findings from Sysdig. The vulnerability… 

Backdoored Smart Slider 3 Pro Update Distributed via Compromised Nextend Servers

Backdoored Smart Slider 3 Pro Update Distributed via Compromised Nextend Servers

Ravie LakshmananApr 10, 2026Malware / Website Security Unknown threat actors have hijacked the update system for the Smart Slider 3 Pro plugin for WordPress and Joomla to push a poisoned version containing a backdoor. The incident impacts… 

EngageLab SDK Flaw Exposed 50M Android Users, Including 30M Crypto Wallets

EngageLab SDK Flaw Exposed 50M Android Users, Including 30M Crypto Wallets

Ravie LakshmananApr 09, 2026Vulnerability / Mobile Security Details have emerged about a now-patched security vulnerability in a widely used third-party Android software development kit (SDK) called EngageLab SDK that could have put millions of cryptocurrency wallet users at risk.…