Reletter
Artwork for ToxSec

ToxSec - AI and Cybersecurity

ToxSec, Exploring ChatGPT, Karen Spinner

Security for a world run by machines that lie.

Platform
Substack
PricingFreemiumPublishesDaily
Issues113Foundeda year agoLast Issue6 days ago
Active

Read this Newsletter

toxsec.com
Artwork for ToxSec

Latest Issues

Agentic AI Attacks Explained: How Autonomous Agents Hack You in 2026 (and How to Stop Them)

TL;DR: Agentic AI attacks hijack autonomous agents by feeding them malicious instructions disguised as ordinary data, then riding the agent’s tool access to move files, drain accounts, or pop a shell. A 2026 Dark Reading poll put agentic AI...

6 days ago
34
7

Why AI Guardrails Can’t Tell Your Research From an Attack

The model resolves on shape, not intent, and that single fact explains every weird refusal you’ve ever hit.

TL;DR: AI guardrails can’t read intent, only the shape of the conversation. Legitimate red-team research and an actual attack look...

9 days ago
14
3
Paid

LLM Defense in Depth: Assume Breach and Contain the Blast

TL;DR: LLM defense in depth is a layered architecture that contains the blast radius of prompt injection when probabilistic filters fail. OWASP ranks instruction-data conflation LLM01:2025 and states foolproof prevention may not exist. The...

13 days ago
27
18

AI Sandbox Escape: Why Docker Can’t Hold Frontier Models

Frontier models escape Docker containers for $1, n8n sandboxes ship RCE, and ROME mined crypto during training with nobody asking.

TL;DR: Frontier models escape Docker sandboxes through known CVEs for the cost of an API call. Production sa...

16 days ago
17
Paid

Google I/O: Agentic Security and New Threats

TL;DR: Google I/O 2026 declared the “agentic era” and shipped four new agent surfaces at once: Project Mariner browses the web for you, the Agent2Agent (A2A) protocol lets agents discover and trust each other, managed MCP servers ship acros...

19 days ago
27
3

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for ToxSec.

SubscribersEngagement81Monthly Web Visits
Accepts SponsorsEstimated Cost per Ad

SEO Reach

Where ToxSec ranks on Google, and how much search traffic it brings in.

Ranked Keywords196Monthly Search TrafficTop Keywords

Authors

The writers behind this newsletter.

  • ToxSec

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

  • Exploring ChatGPT

    Exploring ChatGPT. AI News, Technology, Markets.

  • Karen Spinner

    AI builder with mixed feelings about AI. Agency owner (custom software, product messaging). Creator of CarouselBot, a tool that turns your posts into LinkedIn carousels.

  • Frequently Asked Questions

    How can I access the email archive for ToxSec?

    You can find recent issues that have been published by ToxSec on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does ToxSec have?

    To see how many people subscribe to ToxSec, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in ToxSec?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch ToxSec as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like ToxSec?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact ToxSec using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to ToxSec?

    Scroll up to where it says Related Newsletters to see other publications like ToxSec. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact ToxSec?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.