Latest Cybersecurity News and Articles

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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 AI, which shared details of the vulnerability with The Hacker News ahead of publication, said about 500,000 macOS users running

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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 of its own. Its process talks to 127.0.0.1 and nothing else. It starts Chrome or Edge in headless mode and drives the browser

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Nuclear-Sabotage Malware Benchmark Trips Up Most Frontier AI Models

SentinelOne’s new benchmark, built on the Fast16 case, shows which AI models can sustain a malware investigation and which cannot. The post Nuclear-Sabotage Malware Benchmark Trips Up Most Frontier AI Models appeared first on SecurityWeek.

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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 TriBack Loader. Group-IB found the server in mid-April 2026 in Alibaba Cloud's Singapore region; it was offline by the time the report

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UK and partners expose Russian state-supported actors for new ‘zero-click’ phishing campaign targeting Western organisations

GCHQ’s National Cyber Security Centre and international partners issue warning as ‘LAUNDRY BEAR’ cyber threat group exposed for targeted phishing campaign

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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 together several real data points with fabricated ones to create a person who doesn't exist. Since no real victim monitors misuse, a

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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 development versions spanning 10 packages associated with a legitimate PHP and DevOps developer, dinushchathurya, between July 12 and 13,

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Upbound Group Says Data Breach Led to $13 Million in Fraudulent Contract Losses

Hackers recently obtained non-sensitive customer information and other documents from the company. The post Upbound Group Says Data Breach Led to $13 Million in Fraudulent Contract Losses appeared first on SecurityWeek.

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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 a phone number. The idea is to use a video selfie as a way to regain access if a user ever gets locked out or doesn't have access

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Personal and banking details among customer data stolen in Origin Energy hack

Hackers access Australian customers’ names, addresses, dates of birth, phone numbers and some bank account details, company saysFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastOrigin Energy customers’ addresses, phone numbers and partial bank account data have been accessed in a hack, the company has confirmed.The firm has 4.8m customer accounts in Australia, providing electricity, fossil gas, LPG and internet services to homes and businesses. Continue reading...

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Assaf Keren Appointed New CISO of Meta

He replaces Guy Rosen, who announced his retirement from the company after 13 years. The post Assaf Keren Appointed New CISO of Meta appeared first on SecurityWeek.

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New Check Point Zero-Day Vulnerability Exploited in the Wild

The vulnerability tracked as CVE-2026-16232 has been exploited against customers with certain configurations. The post New Check Point Zero-Day Vulnerability Exploited in the Wild appeared first on SecurityWeek.

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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 derivatives, Fedora Server, and Amazon Linux can meet the conditions for exploitation. The company demonstrated the race

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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 CVE-2026-16232 (CVSS score: 9.3), is an authentication bypass affecting the Check Point SmartConsole login process that allows an

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US Warns of Iranian Hackers Targeting Siemens, Schneider, and Rockwell ICS Devices

An updated advisory from federal agencies provides information on the techniques used to hack programmable logic controllers. The post US Warns of Iranian Hackers Targeting Siemens, Schneider, and Rockwell ICS Devices appeared first on SecurityWeek.

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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 that date, including those already in GitHub's growing triage queue, will retain the previous payout terms. GitHub said the

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Ubuntu snap-confine Flaw Could Give Local Users Root on Default Desktop Installs

Cybersecurity researchers have disclosed details of a new local privilege escalation (LPE) vulnerability in snap-confine that an unprivileged user can trigger to obtain root access and gain complete control of a target environment. The high-severity flaw, tracked as CVE-2026-8933 (CVSS score: 7.8), impacts default installations of Ubuntu Desktop 24.04, 25.10, and 26.04. The disclosure comes as

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Suno, Paidwork Data Breaches Affect Tens of Millions of Accounts

Hackers leaked names, email addresses, phone numbers, passwords, and financial information stolen from the two platforms.  The post Suno, Paidwork Data Breaches Affect Tens of Millions of Accounts appeared first on SecurityWeek.

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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 codenamed HermeticReader by Guardio Labs. It's officially tracked as CVE-2026-48294 (CVSS score: 7.4), with the vulnerability

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Palo Alto Networks to Acquire Observability Platform Provider Embrace

Acquisition follows January's Chronosphere deal, deepening Palo Alto Networks' push beyond core security into observability. The post Palo Alto Networks to Acquire Observability Platform Provider Embrace appeared first on SecurityWeek.