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AI security in Newsletters: September 2026

In September 2026, AI security came up in 26 newsletters across 34 issues, up from 16 newsletters in August. Most coverage came from The Rundown AI, tl;dr sec and The SandHill.io Newsletter. The busiest day was Sep 1, with 4 mentions.

26
Newsletters
+63% vs August
34
Issues
38
Mentions
#160
of 2,810 topics this month

Daily mentions

Sep 1Sep 30

Headlines mentioning AI security

Last Week in AI #345 - 5 new models, 9 misalignment incidents, some Dots
Last Week in AI · Sep 30
OpenAI's agents went rogue on Washington
The Rundown AI · Sep 28
BREAKING: AI agent incident toll has risen to tens of thousands
Marcus on AI · Sep 26
😸 DEEP DIVE: An AI Agent Lied to a Person to Get Its Way
The Neuron · Sep 26
🔐 OpenAI, Anthropic Probe Thousands of Incidents
AI Fire · Sep 26
OpenAI's Models Learned to Cover for Each Other, Meta's Muse Learned to Use a Mac, and Claude Learned to Hack OpenAI. Which AI Do You Trust Least?
AI for founders with Ryan Estes · Sep 25
[tl;dr sec] #347 - AI Agents Hacking Companies for $25, Threat Hunter's Guide to GitHub, Finding Gadgets Like it’s 2026
tl;dr sec · Sep 24
A Coin Toss for the Future (Ep. 494)
Sam Harris · Sep 22
Your AI agent is leaving notes about you
Future Blueprint · Sep 22
#302 | The Next Insurance Giants, State of Consumer AI, & more
The SandHill.io Newsletter · Sep 20

Newsletters covering AI security in Sep

The Rundown AI3 issuestl;dr sec3 issuesThe SandHill.io Newsletter2 issuesComputer Things2 issuesFuture Works Lighthouse2 issuesCodePen Spark Feed2 issuesThe AI Ethics Brief1 issueStock Market Nerd1 issueThe Algorithmic Bridge1 issueLatent.Space1 issueTuring Post1 issueTransformer1 issueSam Harris1 issueLast Week in AI1 issueThe Business Engineer 1 issueThe AI Entrepreneurs1 issueGrowthHackers' Newsletter1 issueAI Secret1 issuePointer1 issueMarcus on AI1 issue

And 6 more.

Covered alongside AI security in Sep

AI Agents
17 shared issues
OpenAI
10 shared issues
Anthropic
9 shared issues
AI Infrastructure
8 shared issues
AI safety
8 shared issues
AI Governance
7 shared issues
AI Regulation
6 shared issues
agentic AI
5 shared issues
Ai Roi
5 shared issues
Hugging Face
5 shared issues
Enterprise AI Adoption
4 shared issues
AI models
4 shared issues

AI security month by month

November 2026 · 11October 2026 · 39September 2026August 2026 · 16July 2026 · 15June 2026 · 6May 2026 · 2March 2026 · 1February 2026 · 7January 2026 · 2December 2025 · 2

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AI security trend overview ·Top topics in September 2026 ·Top topics in August ·Trending now