March 9, 2026 - How it works: HashJack enables threat actors to conceal malicious prompts after the “#” symbol within legitimate URLs. When an AI browser loads a page and the user interacts with the AI assistant, these hidden prompts are fed directly into ...

December 5, 2025 - In November 2025, security researchers at Cato Networks disclosed a novel indirect prompt injection technique they named ‘HashJack’. This attack method exploits the URL fragment to embed malicious instructions that may be executed by AI ...

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December 5, 2025 - Then Hashjack arrived, and the illusion of safety cracked. Hashjack does not break into servers or infect websites. It never touches the page you visit. Instead, it waits inside a part of the URL that most people ignore and quietly feeds instructions to the AI assistant inside your browser.

November 25, 2025 - AI Risk & Accountability · AI has risks and all actors must be accountable

June 24, 2026 - Researchers detailed a new attack method called HashJack, the first documented indirect prompt injection delivered through URL fragments. Attackers add hidden instructions after the “#” in a legitimate link, allowing AI-powered browser ...

December 3, 2025 - HashJack is essentially a social engineering attack because it relies on tricking users to click on specially crafted URLs inside emails, chats, websites, or documents.

November 25, 2025 - 🚨 Meet “HashJack” – a new AI browser assistant exploit discovered by @CatoCTRL .

November 26, 2025 - Security researchers have confirmed a new AI browser-based attack called HashJack that can steal your passwords and data.

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Open source tool for cracking password hashes.

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Want to run your Kubernetes workloads safely and securely? This practical book provides a threat-based guide to Kubernetes security. Each chapter examines a particular component's architecture and potential default settings and then reviews ...

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February 19, 2022 - Click to Follow HashJack · Jack Hash · @HashJack · Joined February 2022 · 36 Following · 0 Followers · @HashJack hasn’t posted · When they do, their posts will show up here. Sign up now to get your own personalized timeline! Sign up with GoogleSign up with Google.

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