Comet , Perplexity's new AI-powered web browser, recently suffered from a significant security vulnerability, according to a blog post last week from Brave, a competing web browser company. The vulnerability has since been fixed, but it points to the challenges of incorporating large language models into web browsers.

Unlike traditional web browsers, Comet has an AI assistant built in. This assistant can scan the page you're looking at, summarize its contents or perform tasks for you. The problem is that Comet's AI assistant is built on the same technology as other AI chatbots, like ChatGPT.

AI chatbots can't think and reason the same way humans can, and if they read a piece of content meant to manipulate its output, it may end up following through. This is known as prompt engineerin

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