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ToxSec - AI and Cybersecurity

ToxSec, Exploring ChatGPT, Erich Winkler

Security for a world run by machines that lie.

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Substack
PricingOnly free issuesPublishesTwice weekly
Issues78SubscribersRead toxsec.com

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Latest Issues

Recent posts by this newsletter. Browse the email archive.

Darknet Chatbots in Action: Jailbroken AI Demo over Tor

TL;DR: Whonix boots clean. Tor circuits lock tight. A vetted onion link loads the chat. The popular jailbroken AI answers every forbidden prompt with full technical detail. No ethics lecture, no shutdown, no bullshit. Synthesis routes, rans...

6 days ago
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One Magic String from Anthropic Silences Claude (RAG DoS Exposed)

TL;DR: Anthropic ships a test string that makes Claude stop responding on command. It’s a QA feature. It’s also a one-line DoS payload. Inject it through RAG, tool output, or shared chat history and you get a sticky refusal loop that persis...

8 days ago
30
18

Dark LLMs, Voice Clones, and Agentic Browsers

TL;DR: We went live with Lior from Exploring ChatGPT and ripped through the week’s threat landscape: dark LLMs running uncensored over Tor, voice-cloning attacks that fool parents with 3-5 seconds of scraped audio, deepfake psyops in active...

11 days ago
36
26

Watch Me Poison Your MCP

TL;DR: I demo three MCP hacks. The first poisons an MCP tool description and gets the model to spill API keys. The second wraps a blocked payload in conversation JSON and watches the model comply. The screenshots are real. The fix isn't sma...

14 days ago
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5

Authors

The writers behind this newsletter.

  • ToxSec

    AI Security Engineer | M.S. Cybersecurity, CISSP | Amazon, NSA, Defense Contractor, USMC.

  • Exploring ChatGPT

    Exploring ChatGPT. Science, Physics, AI. Images by DALL-E.

  • Erich Winkler

    Cybersecurity Manager | CISSP Associate | Helping people land their first cybersecurity role without a degree or career reset

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