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The Hacker News·
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One Extension Could Hijack AI Assistants Across Chrome, Comet, Edge, Opera Neon and Claude

Security researchers at Forever Security have shown that one ordinary browser extension could take control of the AI assistants built into five Chromium-based products: Gemini Live in Chrome, Perplexity Comet, Microsoft Edge, Opera Neon and the Claude in Chrome extension. Once the extension was installed, it could access each product's built-in AI with a single click. On Comet, Edge,

CSO Online·
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Exaforce extends its AI security tool to monitor more than just Claude

Exaforce is offering to help enterprise security teams discover and monitor AI agents using security telemetry they already collect, rather than requiring yet another endpoint sensor. By combining usage data from agentic AI platforms with endpoint, cloud, SaaS and code data, Exaforce AI Security can identify risks, detect suspicious behavior, and respond to threats, the company said. “Exaforce uses data the SOC already collects to inventory every AI app and agent, connect each one to the…

The Hacker News·3 sources
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Anthropic Says Seven China-Based AI Labs Ran Industrial-Scale Claude Distillation Attacks

Anthropic on Thursday said it identified and disrupted industrial-scale illicit distillation attacks against Claude from seven labs based in China, including Alibaba, Moonshot, DeepSeek, Z.ai (aka Zhipu), and MiniMax. Knowledge distillation by itself is a legitimate training method. It refers to a machine learning technique where a large, powerful AI model assumes the role of a "teacher" to

The Hacker News·3 sources
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Claude Used to Automate Exploitation and Data Theft Across Multiple Victims

Anthropic has warned that cybercriminals and state-sponsored hackers alike are using its Claude models for cyber attacks, weapons design, propaganda, and mass surveillance between December 2025 and August 2026. The threat actors, which the artificial intelligence (AI) company has branded Generative Threat Groups (GTGs), span state-sponsored groups, financially motivated criminals, commercial

CSO Online·3 sources
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Anthropic finds evidence of a fourth AI escaping from containment

Anthropic has owned up to a fourth security incident involving its AI model, Claude, escaping onto the open internet and attacking other organizations during a test of cybersecurity abilities on what was believed to be a closed system. The company revealed three such incidents in July after a preliminary investigation. However, on reexamining the 141,000 chat transcripts it believed could have been at risk, Anthropic discovered a fourth incident of unauthorized access to computer systems, this…

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