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#perplexity

10 posts10 participants0 posts today
Miguel Afonso Caetano

"While looking at Comet, we discovered vulnerabilities which we reported to Perplexity, and which underline the security challenges faced by agentic AI implementations in browsers. The attack demonstrates how easy it is to manipulate AI assistants into performing actions that were prevented by long-standing Web security techniques, and how users need new security and privacy protections in agentic browsers.

The vulnerability we’re discussing in this post lies in how Comet processes webpage content: when users ask it to “Summarize this webpage,” Comet feeds a part of the webpage directly to its LLM without distinguishing between the user’s instructions and untrusted content from the webpage. This allows attackers to embed indirect prompt injection payloads that the AI will execute as commands. For instance, an attacker could gain access to a user’s emails from a prepared piece of text in a page in another tab."

brave.com/blog/comet-prompt-in

Brave · Agentic Browser Security: Indirect Prompt Injection in Perplexity Comet | BraveThe attack we developed shows that traditional Web security assumptions don't hold for agentic AI, and that we need new security and privacy architectures for agentic browsing.
#AI#GenerativeAI#CyberSecurity
Jenny Lepies

Mittwoch ist Weekly-Tag! Unsere neue Podcast-Folge ist draußen. Es geht um:

- Perplexitys Angebot, Chrome zu kaufen. Wer steckt hinter dem KI-Startup? Das erklärt mein Kollege Florian Zandt von @t3n

Außerdem berichtet @ghonsel von positiven Klima-Kipppunkte. Unser Tipp der Woche sind diesmal Tools zur Playlisten-Musik-Übertragung. Ihr wisst, warum 😉

Hört gern mal rein. 🎙️

#Podcast #Perplexity #Klima #Spotify

mittechnologyreview.podigee.io

MIT Technology Review – Der PodcastWeekly #116: Perplexity AI, Klima-Kipppunkte, Spotify-Playlisten-ExportWie sich Perplexity AI am Markt schlägt, welche Beispiele es für positive Klima-Kipppunkte gibt und wie man seine Playlisten zum nächsten Musik-Streamingdienst bekommt, erfahrt ihr in der neuen Podcast-Folge.
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