OpenAI has revealed Astra, an unreleased model designed to tackle complex, long-running tasks, after an internal version produced ten significant advances in mathematics and theoretical computer science. [...]

A vulnerability in COLDCARD hardware wallet firmware allowed attackers to steal an estimated $88.6 million in Bitcoin from thousands of wallets whose seeds were generated using a flawed random number generator. [...]

Google is preparing a new Chrome security feature that would block policy-installed extensions from hijacking the New Tab page or changing the default search engine. [...]

A critical vulnerability in the Active Storage framework can allow an unauthenticated attacker to read arbitrary files from a Rails application, and potentially escalate to remote code execution (RCE). [...]

Pharmaceutical company Amgen says it suffered a data breach after threat actors stole corporate data and patient information stored in multiple cloud systems operated by third-party service providers. [...]

The Arch Linux project has temporarily disabled adoption of Arch User Repository (AUR) packages after a surge in malicious takeovers of existing packages. [...]

Online advertising firm Adform suffered a supply-chain attack that delivered cryptocurrency-stealing scripts to websites using its ad platform, replacing wallet addresses copied to visitors' clipboards with ones controlled by an attacker. [...]

OpenAI says it has reduced the price of two GPT-5.6 models, cutting Luna's API price by 80% and Terra's by 20% as it works to make its models more efficient. [...]

A Chinese-speaking threat actor is using the DeepSeek AI model and the open-source Hermes Agent to conduct autonomous cyberattacks on exposed servers with limited human involvement. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning of a significant increase in attacks targeting internet-exposed programmable logic controllers (PLCs) in the water and wastewater systems sector. [...]

Attackers are adapting established techniques to AI platforms, emerging technologies, and changing user behavior. ESET's new threat report examines the rise of malicious AI skills, AI-assisted malware, ClickFix attacks, record quishing activity, and ransomware tools designed to disable security software. [...]

One of Anthropic's Claude models built and uploaded a malicious Python package to PyPI during a botched security evaluation, where it ran on 15 real systems and stole credentials from a security vendor. It was one of three incidents affecting real companies. [...]

South Korea's Personal Information Protection Commission (PIPC) has fined telecommunications giant KT Corporation KRW 53.979 billion ($39 million) over data protection violations. [...]

JetBrains is warning of a critical authentication bypass vulnerability affecting TeamCity On-Premises that could be exploited to achieve remote code execution. [...]

Amazon linked multiple high-profile open-source software supply chain attacks targeting the Node Package Manager (npm) ecosystem to North Korean hackers. [...]

A new macOS information-stealing malware dubbed ClickLock terminates all visible processes to force users into entering their system login password. [...]

The Coca-Cola Company disclosed today that a ransomware attack impacting its Fairlife dairy subsidiary has disrupted operations, temporarily suspending production of Fairlife products across the United States. [...]

A flaw in Anthropic's Claude for Chrome browser extension could allow a malicious extension to trigger predefined AI actions by simulating user clicks, potentially allowing it to abuse Claude's access to connected services such as Gmail, Google Docs, Google Calendar, and Salesforce. [...]

A new malicious framework called OkoBot is delivering more than 20 payloads in attacks focused on stealing cryptocurrency wallet seed phrases, credentials, and other sensitive data. [...]

Traditional security workflows were built for environments that changed at human speed. Token Security explains why AI agents require a new approach: building on a live identity foundation while giving security teams the flexibility to create workflows tailored to their own environments. [...]