Podcast

Tokens in the Stream - Why LLMs are inherently insecure and prompt injection will persist

Security Now (Steve Gibson, TWiT) · podcasts.apple.com

A long-running security show on why prompt injection is built into how these models read text.

The question it answers

  1. Is it safe to let an AI agent or AI browser log in to my email, bank or shopping accounts?

Read with it

  1. A plain explanation of prompt injection with examples, and the habits that reduce it (its Atlas examples refer to a browser... openai.com Article Understanding prompt injections: a frontier security challenge OpenAI
  2. The setting, open to personal accounts since June 2026, that switches off web access, agent mode and connectors. openai.com Article Introducing Lockdown Mode and Elevated Risk labels in ChatGPT OpenAI
  3. How Claude's browser agent checks each action, its measured attack success rates, and how to go back to approving every step. claude.com Article Claude in Chrome is generally available Anthropic
  4. Anthropic's own walk-through of a hidden-instruction attack on an email agent, and why 1% success is still real risk. anthropic.com Article Mitigating the risk of prompt injections in browser use Anthropic
  5. Security researchers show how a web page could steer an AI browser into handing over a user's account details. brave.com Article Agentic Browser Security: Indirect Prompt Injection in Perplexity Comet Brave
  6. The clearest rule of thumb: an agent with your private data, outside content and a way to send messages can be turned against you. simonwillison.net Article The lethal trifecta for AI agents: private data, untrusted content, and external communication Simon Willison
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