Lmst

Gemini bientot intégré dans Google Chrome. En tant qu'utilisateur de Perplexity Comet je suis un convaincu. https://www.bleepingcomputer.com/news/artificial-intelligence/google-plans-to-make-chrome-for-android-an-agentic-browser-with-gemini/ #gemini #perplexitycomet

Protecting the "Mind" of AI Browsers: Why Agentic AI Needs Robust Defenses Against Prompt Injection 🛡️

Fellow Mastodonians in #CyberSec and #AISecurity,
As we wrap up 2025, agentic AI browsers like ChatGPT Atlas (OpenAI), Perplexity Comet, Microsoft Edge Copilot Mode, and others are redefining productivity. These tools let AI agents autonomously navigate, summarize, interact with authenticated sessions, and execute tasks—turning browsers into true digital assistants.
But this autonomy expands the attack surface dramatically. Prompt Injection tops the OWASP Top 10 for LLM Applications 2025 (LLM01:2025). Attackers hide malicious instructions in web content, emails, Google Docs, URLs, or even screenshots—hijacking the agent to leak data, perform unauthorized actions, or worse.
Key real-world developments this year:

OpenAI openly states prompt injections are unlikely to ever be fully solved—comparable to social engineering. They're using an LLM-based "automated attacker" for red teaming Atlas defenses.
CometJacking in Perplexity Comet: A single crafted URL exploits query parameters to exfiltrate data from connected services (Gmail, calendars) via encoded payloads (LayerX research).
Indirect injections via hidden text in Docs/emails affected Atlas on launch day; Brave called it a systemic issue across agentic browsers.
Broader demos: Agents tricked into sending resignation emails, downloading malware, or navigating phishing sites.

Traditional tools (AdBlock, etc.) can't help—they block scripts/domains, not semantic manipulations of LLM prompts.
Toward Multi-Layered Protections:

Model hardening: Adversarial training & instruction hierarchies (e.g., OpenAI's ongoing updates).
Runtime guards: Tools like Lakera Guard, NeMo Guardrails, Protect AI LLM Guard for injection detection, sanitization, and sandboxing.
Architecture: Least-privilege sessions, explicit approvals, audit logs.
Enterprise best practices: Align with OWASP LLM Top 10—red teaming, zero-trust for agents, limit access (e.g., "logged-out" mode in Atlas).

Prompt injection isn't going away—it's the new frontier. How are you approaching agentic AI security in your setups?
#GenAI #PromptInjection #AgenticAI #OWASP #ChatGPTAtlas #PerplexityComet
P.S. Devs & sec folks: Explore open-source like NeMo Guardrails or Lakera for prototyping browser-level defenses. Let's build safer AI together. 🚀

My in-depth review of Perplexity Comet is now live! 🚀

I've shared my honest experience with this AI-powered browser, covering its 'agentic' capabilities, what I genuinely liked, the significant drawbacks (including security concerns like prompt injection), and how it stacks up against my current workflow.

If you're curious about the future of web browsing, dive in: https://www.ctnet.co.uk/my-thoughts-on-perplexity-comet/

#PerplexityComet #AIBrowser #WebTech #Privacy

Scammers are poisoning AI search results to steer you straight into their traps - here's how - ZDNet Charlie Osborne #AI #LLMs #AIBrowsers #GoogleAIOverview #PerplexityComet #Posioning #searchresults

Perplexity Comet se muscle contre les hacks https://research.perplexity.ai/articles/browsesafe #perplexitycomet

New AI browsers like OpenAI Atlas and Perplexity Comet can trim 15‑30 minutes off each PDF or static‑site read by auto‑summarising long reports. Early tests show a real boost in research synthesis and daily productivity. Curious how it works? Dive into the details. #AIBrowsers #OpenAIAtlas #PerplexityComet #ResearchProductivity

🔗 https://aidailypost.com/news/ai-browsers-cut-1530-minutes-per-document-when-summarizing-long

Hackread: Comet Browser Flaw Lets Hidden API Run Commands on Users’ Devices. “Security researchers from web browser security firm SquareX have issued a public warning after uncovering a vulnerability in Perplexity’s Comet AI browser. Their research, published on November 19, 2025, reveals a hidden feature that could allow cybercriminals complete control over a user’s computer.”

https://rbfirehose.com/2025/11/21/hackread-comet-browser-flaw-lets-hidden-api-run-commands-on-users-devices/

Perplexity'nin yapay zekalı tarayıcısı Comet, Android'de! 🚀 Chrome'a rakip bu akıllı tarayıcı, mobil interneti baştan yazmaya geliyor. Yapay zeka destekli özellikleriyle fark yaratacak. Denemeye değer mi?

🚩 #PerplexityComet #YapayZeka #Android #Tarayıcı

ChatGPT Atlas vs. Perplexity Comet

The future of browsing is shifting fast. ChatGPT Atlas brings deep AI reasoning while Perplexity Comet pushes instant, research-grade answers. Both reshape how we search, learn, and work online. Want the smarter pick for your workflow?

Read the full breakdown: https://bestsoln.com/web/chatgpt-atlas-vs-perplexity-comet-which-ai-browser-will-shape-the-future-of-the-web/

#BestSolution #Bestsoln #AI #AIBrowser #TechNews #FutureOfWork #ArtificialIntelligence #Productivity #WebSearch #ChatGPTAtlas #PerplexityComet

🔥 The AI browser wars are here.

ChatGPT Atlas vs Perplexity Comet isn’t just about browsing. It’s about how we work and think online.

Which one will replace Chrome in your life? 👀

Full breakdown 👉 https://bestsoln.com/web/chatgpt-atlas-vs-perplexity-comet-which-ai-browser-will-shape-the-future-of-the-web

#BestSolution #Bestsoln #AI #TechTrends #FutureOfWork #ChatGPTAtlas #PerplexityComet

L'écosystème agentic et ses implications. 👀 https://www.kearney.com/industry/financial-services/article/agentic-payments-a-new-frontier-in-digital-commerce #agenticcommerce #perplexitycomet

Android users can now sign up for early access to Perplexity's Comet browser. #Perplexity ##PerplexityAI #PerplexityComet #CometBrowser

https://gadgetbond.com/perplexity-comet-ai-web-browser-android-early-invites/

📬 Perplexity Comet vs. Bypass Paywall Clean: Komfort oder Kontrolle?
#KünstlicheIntelligenz #Bezahlschranke #BypassPaywallClean #CometPlus #KIBrowser #Paywalls #PerplexityComet https://sc.tarnkappe.info/95c810

Exciting news! 🎉 Perplexity is starting limited beta testing of their AI-powered Comet Android browser 📲 Get ready for AI-driven browsing and enhanced privacy options on your mobile! Test it now! #PerplexityComet #AndroidBeta #AIBrowser #MobileTech #PrivacyFirst
https://www.squaredtech.co/perplexity-comet-browser-android-beta-launch?fsp_sid=4433

Amazon vs Perplexity a moult implications : publicité on site, programme de fidélisation, yield management, responsabilité juridique, charge... qui dépassent le ecommerce. https://www.forbes.com/sites/johnkoetsier/2025/11/05/amazon-vs-perplexity-welcome-to-the-battle-for-the-future-of-commerce/ #amazon #perplexitycomet

The Register: Amazon complains that Perplexity’s agentic shopping bot is a terrible customer. “Amazon.com has sent a cease and desist letter to Perplexity in which it insists the AI company prevent its Comet browser from making automated purchases on behalf of users.”

https://rbfirehose.com/2025/11/06/the-register-amazon-complains-that-perplexitys-agentic-shopping-bot-is-a-terrible-customer/