#security

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 ex

Can Anthropic Keep Its Exploit-Writing AI Out of the Wrong Hands?

Its Mythos Preview model, which can allegedly find and exploit critical zero-days, also comes with certain controls, the vendor said.

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

Industrial Controllers Still Vulnerable As Conflicts Move to Cyber

The US government warns programmable logic controllers are being targeted, and research turns up 179 vulnerable operational technology (OT) devices.

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 nam

Orange Business Reimagines Enterprise Voice Communications With Trust and AI

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 an

FINRA Launches Financial Intelligence Fusion Center to Combat Cybersecurity and Fraud Threats

Your Next Breach Will Look Like Business as Usual

These are the fundamental detection model shifts cybersecurity teams need to make to keep up with the rising number of credential-based attacks.

Hims Breach Exposes the Most Sensitive Kinds of PHI

Threat actors breached the telehealth brand, and now they may know who's bald, overweight, and impotent. What could they do with that information?

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 I

AI-Led Remediation Crisis Prompts HackerOne to Pause Bug Bounties

Discovery used to be the bottleneck for open source bugs, but with automated discovery, remediation's the bottleneck, which bounties don't fund.

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 tradition

Threat Actors Get Crafty With Emojis to Escape Detection

When 🤖 means "bot available," 🧰 signifies "toolkit," or 💰💰💰 translates to "big ransom," bad actors can evade filters and keep it all on the down-low.

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

Russia's Forest Blizzard Nabs Rafts of Logins via SOHO Routers

Heard of fileless malware? How about malwareless cyber espionage? Russia's APT28 is spying on global organizations by modifying just one DNS setting in vulnerable routers.

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")

Do Ceasefires Slow Cyberattacks? History Suggests Not

The cybersecurity community is waiting with bated breath to see if Iranian hackers will honor a ceasefire that doesn't actually name or directly involve them.

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 creatin

'BlueHammer' Windows Zero-Day Exploit Signals Microsoft Bug Disclosure Issues

Under the alias 'Chaotic Eclipse,' a researcher released a PoC exploit for a zero-day flaw that allows for system takeover by a local user, citing an undisclosed beef with Microsoft.