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Claude Cowork Flaw Could Let AI Agent Escape Its VM and Access Mac Files
Cybersecurity researchers have uncovered a sandbox escape vulnerability in Anthropic's Claude Cowork that makes it possible to break out of the confines of a Linux virtual machine (VM) within which the agent runs to read or write files anywhere on the Mac. Accomplish...
Chaos Ransomware Uses msaRAT to Route C2 Traffic Through Headless Chrome and Edge
The Chaos ransomware group ran its command-and-control through the victim's own browser. Cisco Talos on Thursday detailed msaRAT, the Rust implant behind it, found on a compromised Windows machine ahead of the encryptor. The implant never opens an outbound connection...
China-Nexus JadeProx Uses New TriBack Loader in Government and Healthcare Attacks
An exposed Alibaba Cloud server has revealed a China-nexus operation that Group-IB tracks as JadeProx. The cluster has targeted government, healthcare, and education organizations across Asia and Latin America with a previously undocumented Windows loader called...
How Synthetic Identity Fraud is Coming for Machine Identities
Most people understand identity theft as an attacker stealing a real person's sensitive information and impersonating them. Synthetic identity fraud is much harder to catch. Instead of stealing a real identity, the attacker manufactures a new one, frankensteining...
Attackers Weaponize GitHub Actions Runners to Target cPanel and WHM Servers
Cybersecurity researchers have shed light on a large-scale campaign that has turned compromised GitHub repositories into distributed attack infrastructure designed to target cPanel and WebHost Manager (WHM) instances. The activity involves malicious Packagist...
Google Adds Selfie Video Recovery for Users Locked Out of Their Accounts
Google on Thursday announced a new way for users to sign-in to their accounts by letting them take a selfie video. The selfie for sign-in, per the tech giant, is another option on top of existing recovery methods to log in to an account, including an email address or...
Nine-Year-Old RefluXFS Linux Flaw Gives Local Users Root on Default RHEL Installs
RefluXFS, a new Linux kernel flaw disclosed on July 22 and tracked as CVE-2026-64600, lets an unprivileged local user overwrite root-owned files on an XFS filesystem and gain persistent root access. Qualys said default installations of Red Hat Enterprise Linux and its...
Check Point Patches Exploited SmartConsole Flaw Allowing Full Admin Access
Check Point has released security updates to address multiple vulnerabilities impacting Security Management and Multi-Domain Management (MDSM) products, including a critical flaw that has come under active exploitation in the wild. The security flaw, tracked as...
GitHub Cuts Public Bug Bounty Payouts, Moves Top Rewards to VIP Tier
Beginning July 27, 2026, GitHub will cut public bug bounty payouts by at least half at every severity level. Critical findings will drop from $20,000-$30,000+ to a fixed $10,000, while its permanent invite-only VIP tier will pay $30,000 or more. Reports filed before...
Adobe Acrobat Extension Flaw Let Malicious Sites Read WhatsApp Web Data
Cybersecurity researchers have disclosed details of a now-patched vulnerability chain in the Adobe Acrobat Chrome extension that has over 314 million users, which, if exploited, could facilitate a silent hijack of a user's WhatsApp data. The shortcoming has been...
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