The Cipher Brief
mailchimpnewsletter · by Ryan Simons · en-us
The Cipher Brief
- Audience
- Not shown publicly
- We show a dash rather than guess
- Publishing
- Weekly
- 12 posts indexed in the last 90 days
- Last post
- Oct 12, 2026
- 18 days ago
- Likely audience
- International relations scholars
- Inferred from post content
The Cipher Brief is a mailchimp newsletter by Ryan Simons covering National Security Strategy, AI infrastructure and International relations. NewsletterFIT indexed 12 posts from it in the last 90 days, most recently on Oct 12, 2026.
Topics
- National Security Strategy
- AI infrastructure
- International relations
- Subterranean Warfare
- Missile Defense
Recent posts
- Subterranean Warfare…
- The Sanctions…
- What Beijing…
- How Ukraine’s…
- The Next…
- The Future…
Sponsors detected
No sponsored posts detected in the last 180 days of indexed posts.
Detected automatically from posts marked as sponsored. Detection can miss or misread placements.
See the full picture on The Cipher Brief
Subscriber momentum over time, every detected sponsor with the source post, companies and people it mentions, guests, and an alert when any of it changes.
Similar newsletters
Ranked by how many topics they share with The Cipher Brief.
- 7wdata.beehiiv.com1M subscribers
beehiivSeveral times a week · last post 18 days ago
Likely audience: Venture capitalists
1 shared topic
- The Parnas Perspective901K subscribers
SubstackDaily · last post 15 days ago
Likely audience: Political analysts
1 shared topic
- Drop Site News817K subscribers
SubstackSeveral times a week · last post 15 days ago
Likely audience: Human rights advocates
1 shared topic
- Business Analytics Review734K subscribers
SubstackDaily · last post 15 days ago
Likely audience: ML engineers
1 shared topic
- The Neuron700K subscribers
beehiivSeveral times a week · last post 18 days ago
Likely audience: Product managers
1 shared topic
- Thinking about...454K subscribers
SubstackMonthly or less · last post 19 days ago
Likely audience: Foreign policy analysts
1 shared topic
- Not Boring by Packy McCormick281K subscribers
SubstackWeekly · last post 21 days ago
Likely audience: Tech investors
1 shared topic
- a16z278K subscribers
SubstackSeveral times a week · last post 15 days ago
Likely audience: Venture capitalists
1 shared topic
Compiled from public pages · refreshed Oct 31, 2026 · How NewsletterFIT collects and labels data