Anthropic has begun testing a Chrome browser extension that allows its Claude AI assistant to take control of users' web browsers, marking the company's entry into an increasingly crowded and ...

In 2025 and 2026, several independent sources have highlighted the same trend: Prompt injection remains one of the most ...

Researchers at Koi Security have found that three of Anthropic’s official extensions for Claude Desktop were vulnerable to prompt injection. The vulnerabilities, reported through Anthropic's HackerOne ...

Facepalm: Anthropic has begun piloting Claude for Chrome, an AI extension that can operate the browser on a user's behalf. However, the tool is vulnerable to prompt injection attacks that can trick it ...

Enterprises connecting large language models to email inboxes and calendar apps face a new, documented threat: researchers have shown that an attacker can plant hidden instructions inside URL previews ...

Anthropic's tendency to wave off prompt-injection risks is rearing its head in the company's new Cowork productivity AI, which suffers from a Files API exfiltration attack chain first disclosed last ...

A flaw in Anthropic’s Claude Code GitHub Action let attackers bypass permission checks via a fake bot account and use prompt injection to steal OIDC tokens, gaining write access to any vulnerable ...

In short:Security researcher Aonan Guan hijacked AI agents from Anthropic, Google, and Microsoft via prompt injection attacks on their GitHub Actions integrations, stealing API keys and tokens in each ...

An attack chain featuring three separate flaws found in Anthropic's Claude artificial intelligence (AI) agent could have allowed attackers to embed malicious hidden instructions in a pre-filled chat ...

CrowdStrike data and OpenAI's admission confirm prompt injection as a dominant enterprise AI attack vector. 65% of ...

Named after BioShock's 'Would you kindly' mechanic, the attack trains AI agents to accept false information before stealing ...