Security News

hackernews Apr 13, 2026 at 11:41

Your MTTD Looks Great. Your Post-Alert Gap Doesn't

Anthropic restricted its Mythos Preview model last week after it autonomously found and exploited zero-day vulnerabilities in every major operating system and browser. Palo Alto Networks' Wendi Whitmorewarned that similar capabilities are weeks or months from proliferation. CrowdStrike's 2026 Global Threat Report puts average eCrime breakout time at 29 minutes. Mandiant's M-Trends 2026

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hackernews Apr 13, 2026 at 09:15

North Korea's APT37 Uses Facebook Social Engineering to Deliver RokRAT Malware

The North Korean hacking group tracked as APT37 (aka ScarCruft) has been attributed to a fresh multi-stage, social engineering campaign in which threat actors approached targets on Facebook and added them as friends on the social media platform, turning the trust-building exercise into a delivery channel for a remote access trojan called RokRAT. "The threat actor used two Facebook

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hackernews Apr 13, 2026 at 06:50

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, we are taking steps to protect the process that certifies our macOS applications are legitimate OpenAI apps," OpenAI said in a post last week. "We found

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hackernews Apr 12, 2026 at 05:54

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

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 executables for the software and deploy a remote access trojan called STX RAT. The incident lasted from approximately April 9, 15:00 UTC, to about April 10, 10:00 UTC, with

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hackernews Apr 12, 2026 at 04:25

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

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, carries a CVSS score of 8.6 out of 10.0. Successful exploitation of the flaw could allow an attacker to run malicious code on affected installations. It has been described as

Related CVEs: CVE-2026-34621

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hackernews Apr 11, 2026 at 06:02

Citizen Lab: 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 Israeli company Cobwebs Technologies and is now sold by its successor Penlink after the two firms merged in July 2023

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hackernews Apr 10, 2026 at 13:23

GlassWorm Campaign Uses Zig Dropper to Infect Multiple Developer IDEs

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 developer's machine. The technique has been discovered in an Open VSX extension named "specstudio.code-wakatime-activity-tracker," which masquerades as WakaTime, a

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hackernews Apr 10, 2026 at 11:00

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 AI extensions may be the most dangerous AI threat surface in your network that isn't on anyone's 

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hackernews Apr 10, 2026 at 07:58

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

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 is currently limited to Windows users on Chrome 146, with macOS expansion planned in an upcoming Chrome release. "This project represents a significant

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hackernews Apr 10, 2026 at 07:37

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

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 in question is CVE-2026-39987 (CVSS score: 9.3), a pre-authenticated remote code execution vulnerability impacting all versions of Marimo prior to and including

Related CVEs: CVE-2026-39987

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hackernews Apr 10, 2026 at 06:28

Backdoored Smart Slider 3 Pro Update Distributed via Compromised Nextend Servers

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 Smart Slider 3 Pro version 3.5.1.35 for WordPress, per WordPress security company Patchstack. Smart Slider 3 is a popular WordPress slider plugin with more than 800,000 active installations across its free and Pro

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hackernews Apr 09, 2026 at 17:26

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

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. "This flaw allows apps on the same device to bypass Android security sandbox and gain unauthorized access to private data," the Microsoft Defender

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hackernews Apr 09, 2026 at 16:23

UAT-10362 Targets Taiwanese NGOs with LucidRook Malware in Spear-Phishing Campaigns

A previously undocumented threat cluster dubbed UAT-10362 has been attributed to spear-phishing campaigns targeting Taiwanese non-governmental organizations (NGOs) and suspected universities to deploy a new Lua-based malware called LucidRook. "LucidRook is a sophisticated stager that embeds a Lua interpreter and Rust-compiled libraries within a dynamic-link library (DLL) to download and

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hackernews Apr 09, 2026 at 12:57

ThreatsDay Bulletin: Hybrid P2P Botnet, 13-Year-Old Apache RCE and 18 More Stories

Thursday. Another week, another batch of things that probably should've been caught sooner but weren't. This one's got some range — old vulnerabilities getting new life, a few "why was that even possible" moments, attackers leaning on platforms and tools you'd normally trust without thinking twice. Quiet escalations more than loud zero-days, but the kind that matter more in

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hackernews Apr 09, 2026 at 11:31

The Hidden Security Risks of Shadow AI in Enterprises

As AI tools become more accessible, employees are adopting them without formal approval from IT and security teams. While these tools may boost productivity, automate tasks, or fill gaps in existing workflows, they also operate outside the visibility of security teams, bypassing controls and creating new blind spots in what is known as shadow AI. While similar to the phenomenon of

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hackernews Apr 09, 2026 at 11:15

Adobe Reader Zero-Day Exploited via Malicious PDFs Since December 2025

Threat actors have been exploiting a previously unknown zero-day vulnerability in Adobe Reader using maliciously crafted PDF documents since at least December 2025. The finding, detailed by EXPMON's Haifei Li, has been described as a highly-sophisticated PDF exploit. The artifact ("Invoice540.pdf") first appeared on the VirusTotal platform on November 28, 2025. A second 

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hackernews Apr 09, 2026 at 10:40

Bitter-Linked Hack-for-Hire Campaign Targets Journalists Across MENA Region

An apparent hack-for-hire campaign likely orchestrated by a threat actor with suspected ties to the Indian government targeted journalists, activists, and government officials across the Middle East and North Africa (MENA), according to findings from Access Now, Lookout, and SMEX. Two of the targets included prominent Egyptian journalists and government critics, Mostafa

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hackernews Apr 08, 2026 at 17:51

New Chaos Variant Targets Misconfigured Cloud Deployments, Adds SOCKS Proxy

Cybersecurity researchers have flagged a new variant ofmalware called Chaosthat'scapable of hitting misconfigured cloud deployments, marking an expansion of the botnet's targeting infrastructure. "Chaos malware is increasingly targeting misconfigured cloud deployments, expanding beyond its traditional focus on routers and edge devices," Darktrace said in a new report.

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hackernews Apr 08, 2026 at 16:30

Masjesu Botnet Emerges as DDoS-for-Hire Service Targeting Global IoT Devices

Cybersecurity researchers have lifted the curtain on a stealthy botnet that's designed for distributed denial-of-service (DDoS) attacks. Called Masjesu, the botnet has been advertised via Telegram as a DDoS-for-hire service since it first surfaced in 2023. It's capable of targeting a wide range of IoT devices, such as routers and gateways, spanning multiple architectures. "Built for

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hackernews Apr 08, 2026 at 13:50

APT28 Deploys PRISMEX Malware in Campaign Targeting Ukraine and NATO Allies

The Russian threat actor known as APT28 (aka Forest Blizzard and Pawn Storm) has been linked to a fresh spear-phishing campaign targeting Ukraine and its allies to deploy a previously undocumented malware suite codenamed PRISMEX. "PRISMEX combines advanced steganography, component object model (COM) hijacking, and legitimate cloud service abuse for command-and-control," Trend Micro

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