Reletter
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ToxSec - AI and Cybersecurity

ToxSec, Erich Winkler, Mohib Ur Rehman, AI Wide Open, Michael Quoc
Tens of paid subscribers

Security for a world run by machines that lie.

Platform
Substack
PricingFreemiumPublishesTwice weekly
Issues140Foundeda year agoLast Issue4 days ago
Active

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toxsec.com
Artwork for ToxSec

Latest Issues

The One Person APT

How AI agent orchestration, local models, and frontier-model escalation let one operator scale offensive security work.

Humans can only do so much.

Advanced Persistent Threat. When we hear those words, we think of resources. People reconi...

4 days ago
23
19

AI Didn’t Break Security. It Just Stopped Forgiving Bad Fundamentals.

Hey everyone! Erich Winkler from Decoded Security is back on ToxSec, and this one hits something I see constantly in AI security: teams buying new tools while their agents still have the keys to everything.

breaks down seven security funda...

11 days ago
51
50

The Agent Made the Call. Who Owns the Outcome?

There is a moment in the deployment of an AI agent that is easy to overlook. The permissions have been reviewed, access boundaries are defined, runtime controls are in place, and human approval is required for certain actions. The agent is...

25 days ago
40
33

Let It Run: Agent Loops You Can Walk Away From

Today we’re welcoming to ToxSec for his first guest piece. Michael runs agent loops at Product.ai, so he brings the view from actually putting them to work. We teamed up to look at how to get useful results from long-running agents while k...

a month ago
29
27

AI-Powered Phishing: Why Traditional Email Security Is No Longer Enough [Guest Post]

Hello everyone! First, thanks for all your patience. I’ve been moving across the country, and more articles will be on the way again soon. For today, a familiar voice is back on ToxSec.

This is Mohib’s third piece here, and this time they’...

a month ago
46
33

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Authors

The writers behind this newsletter.

  • ToxSec

    Security Engineer | M.S. Cybersecurity, CISSP | AWS, NSA, USMC.

  • Erich Winkler

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

  • Mohib Ur Rehman

    I write about technology the way I wish someone had written it for me.

  • AI Wide Open

    How AI is changing work, workflows, and organizations in the real world.

  • Michael Quoc

    Founder & CEO, Product.ai. $20M+ ARR, 20 people, zero VC, 9 US patents. We build the verification layer between AI and commerce - ground truth that models can't generate by averaging the internet. I write about what we're building and why.

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