Browse newsletters about security

Ken Klippenstein

by Ken Klippenstein

KlipNews is an American news organization founded by Ken Klippenstein and William M. Arkin, dedicated to revealing what the national security state is actually up to and holding power accountable.

Sinocism

by Bill Bishop

Bill Bishop's Sinocism provides expert analysis, commentary, and curated links on China four times weekly for policymakers, investors, and journalists.

What's Hot 🔥 in Enterprise IT/VC

by Ed Sim

Ed Sim, a 29-year Inception Investor, shares unfiltered insights on enterprise IT/VC, guiding founders on scaling, fundraising, and new tech trends.

lcamtuf’s thing

by lcamtuf

lcamtuf delivers well-researched, clickbait-free articles for the inner geek, covering diverse topics like circuit theory, wacky math, and tree felling.

Rising Tide

by Helen Toner

Helen Toner provides intermittent thoughts on advanced AI systems, national security, and AI policy, sharing speculative ideas beyond her CSET research.

Overwatch with 𝗖𝗢𝗠𝗠𝗔𝗡𝗗𝗘𝗟𝗘𝗩𝗘𝗡 | 𝗖𝗢𝗠𝗠𝗔𝗡𝗗𝗘𝗟𝗘𝗩𝗘𝗡® | Substack

by 𝗖𝗢𝗠𝗠𝗔𝗡𝗗𝗘𝗟𝗘𝗩𝗘𝗡®

CommandEleven provides intelligence and consulting. It transforms conflict zone insights into actionable strategies for geopolitical and commercial domains.

The OSINT Newsletter | Substack

by The OSINT Newsletter

The OSINT Newsletter provides intelligence professionals, journalists, and enthusiasts with the latest tools, tactics, and techniques for open source intelligence (OSINT).

Access Hub | Space & Defense Newsletter | Omkar Nikam | Substack

by Omkar Nikam

Access Hub Insights delivers strategic intelligence on defense, space, aerospace, and emerging technologies. It decodes global security news with actionable insights for industry leaders.

ASIAN SCHOLAR | Sass Rogando Sasot | Sass Rogando Sasot (教萨丝） | Substack

by Sass Rogando Sasot (教萨丝）

Sass Rogando Sasot, an international relations scholar, offers insights into the South China Sea conflict, Philippine foreign policy, and Chinese political culture.

Legal AF's Substack

by Legal AF

Legal AF, led by renowned trial lawyer Michael Popok, delivers in-depth, entertaining analysis of breaking legal news, court documents, and interviews.

Sixty Degrees North

by Peter Rybski

Peter Rybski's Sixty Degrees North tracks US polar operations and policies in the High North, exploring the geopolitical significance and everyday impact of icebreakers.

Tom Hoefling | Substack

by Tom Hoefling

Conservative activist Tom Hoefling writes on abolishing abortion, traditional marriage, Second Amendment rights, secure borders, and American sovereignty.

Eleatiche | Substack

by Eleatiche

Eleatiche provides strategic briefings and models for businesses and investors to navigate geopolitical shifts, AI integration, and security imperatives.

Latin America Risk Report | Boz | Substack

by Boz

Political risk analyst Boz (James Bosworth) dissects Latin American politics, economics, and security, with two decades of emerging markets expertise.

The Bureau

by Sam Cooper

Investigative journalist Sam Cooper offers exclusive analysis on great-power conflict, narco zones, and hostile statecraft, with award-winning insight.

Amanda & Andrea Britto

by Energia Seguros

Business insights and updates from Energia Seguros via Amanda & Andrea Britto, covering insurance and energy.

ColonelRETJohn | ColonelRETJohn Mills | Substack

by ColonelRETJohn Mills

ColonelRETJohn provides unique perspectives on US national security. Written by Lt Mike Mills, it honors founder Colonel John Mills, former DoD cybersecurity director.

SpyTalk | Jeff Stein | Substack

by Jeff Stein

Jeff Stein's SpyTalk delivers specialized reporting and analysis on the U.S. intelligence community, foreign policy, and military operations from veteran experts.

Jacob Kaarsbo

by Jacob Kaarsbo

Jacob Kaarsbo's newsletter fosters a community for readers to engage on shared interests and participate in discussions.

Weapons and Strategy | Stephen Bryen | Substack

by Stephen Bryen

Dr. Stephen Bryen's Weapons and Strategy offers objective, extensively researched insights on national and international security, covering critical global threats and policy.

Lawfare | Substack

by Lawfare

Lawfare delivers non-partisan analysis of national security law and policy through articles, daily/weekly newsletters, podcasts, and livestreams.

Defcon Level | Current Threat Monitor 2026

by Defcon Level Intelligence Team

Defcon Level offers OSINT-based threat assessments, monitoring global military readiness, nuclear, terror, geopolitical, and cyber threats since 2013.

BlockThreat

BlockThreat analyzes critical vulnerabilities and emerging threats in blockchain security, exploring AI's impact on defense strategies and providing insights for DeFi teams.

Soul Wire | Soul Mama Talks | Substack

by Soul Mama Talks

SoulMama Talks offers weekly inspiration and tools to build emotional freedom, self-reliance, and financial sovereignty, stepping out of consumer culture into calm.

Spycraft 101

by Justin Black

Justin Black's Spycraft 101 unravels the world of espionage and intelligence, covering historical tradecraft and modern spy techniques.

U.S. Department of State | StateDept | Substack

by StateDept

The official newsletter from the U.S. Department of State delivers insights, updates, and deep dives into Trump Administration foreign policy and diplomatic efforts.

George’ Webb Task Force Orange Journal

by George Webb

George’ Webb Task Force Orange Journal by George Webb exposes state-sponsored corruption and espionage daily in politics.

Laboro | Laboro. | Substack

by Laboro.

Laboro informs workers about their labor and social rights, detailing dismissal, salary, contracts, working hours, ERTE, benefits, and legal news.

Loud & Clear with John Kiriakou

by John Kiriakou

Get daily insights on national security, politics, and foreign affairs from John Kiriakou in Loud & Clear, featuring the 'DeProgram' series.

The Morris Doctrine

by Robert Morris

The Morris Doctrine by Robert Morris offers paid subscribers exclusive access to a community Discord, monthly events, a YouTube newscast, and live talks.

Lethal Minds

by Lethal Minds Journal

Lethal Minds is a monthly journal that fosters a community of shared interests by publishing member-submitted art, pictures, and written works.

Defense Tech and Acquisition | Pete Modigliani | Substack

by Pete Modigliani

Defense acquisition experts Pete Modigliani and Matt MacGregor offer weekly analysis of defense tech, budgets, and strategic initiatives for national security leaders.

Le Pavé numérique | Presse Non Stop | Substack

by Presse Non Stop

Le Pavé numérique delivers a weekly, independent perspective on tech and digital news, from innovations to the absurd, exploring its culture, impacts, and hidden facets.

FAO Journal of International Affairs | Editor | Substack

by Editor

A platform for Foreign Area Officers and military professionals to publish on geo-political issues, field experiences, and career development.

Futura Doctrina | Mick Ryan | Substack

by Mick Ryan

Former Major General Mick Ryan draws on 35 years in the Australian Army and combat experience to analyze war, strategic competition, and future conflicts, including Ukraine.

Privacy Academy

by Glenn Meder

Privacy Academy guides individuals on reclaiming digital privacy and freedom in an era of mass surveillance, offering an easy-to-follow path for all tech skill levels.

Meryl’s CHAOS letter (Critical Health Analysis and OpinionS) | Meryl Nass | Substack

by Meryl Nass

Meryl Nass delivers critical health analysis and opinions to help readers understand the pandemic, the great reset, and the historical context of current events.

CDR Salamander

by CDR Salamander

CDR Salamander explores naval and military strategy, discussing 'proactive lethality from the sea' and 'great power competition' in a distinctive, jargon-filled voice.

iyouport | Substack

by iyouport

IYP (est. 2014) is a Chinese-language platform run by anarchist thinkers and activists. It empowers digital users with knowledge, initiatives, and defense tactics for liberation.

Rogue Systems Recon | Andrew Tanner | Substack

by Andrew Tanner

Andrew Tanner analyzes global policy through a systems theory lens, focusing on the Ukraine war to identify strategic errors and inform new security institutions.

Project Save the World's Substack | Substack

by Project Save the World

Project Save the World features weekly forums and articles on global dangers (war, climate, pandemics, AI) and publishes Peace Magazine quarterly.

Between Us

by Nadav Eyal

Between Us by Nadav Eyal: deeply sourced analysis and reporting on Israel and the Middle East. Essential weekly columns.

CLG News – Your source for deep-state truth.

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CLG News uncovers "deep-state truth" on U.S.-Israeli conflict with Iran, domestic crime, immigration, and social policy, challenging mainstream narratives.

MENADEFENSE ANALYSES | Akram Kharief MENADEFENSE | Substack

by Akram Kharief MENADEFENSE

Akram Kharief's MENADEFENSE ANALYSES offers in-depth reporting and insights on defense topics pertinent to the Middle East and North Africa.

Post Strategy

by Judd Devermont

Judd Devermont's Post Strategy offers personal reflections on U.S. policy toward Africa, drawing on his experience as a top official under three presidents.

Seymour Hersh | Substack

by Seymour Hersh

Pulitzer Prize-winning investigative journalist Seymour Hersh shares his fearless reporting, challenging official narratives, and exposing truths in war and politics.

The Military Reading Room - History, Strategy, and Insight | Substack

by The Military Reading Room

Retired Marine Corps Intelligence Officers Dave Gran and Phil Gentile offer insights into military history, strategy, and current events. Expect book reviews and tech analysis.

FPRI Baltic Initiative | FPRI Eurasia Program | Substack

by FPRI Eurasia Program

The FPRI Baltic Initiative provides monthly analysis and a newsletter by Dr. Indra Ekmanis covering defense, geopolitical issues, and events in the Baltic Sea region.

JonFleetwood.com | Jon Fleetwood | Substack

by Jon Fleetwood

Investigative reporter Jon Fleetwood delivers document-driven reports on health policy, biotech, and government decisions, using primary sources to uncover research.

Black Mountain Analysis | Substack

by Black Mountain Analysis

Black Mountain Analysis provides expert geopolitical, economic, and conflict analysis from military expert Mike Mihajlovic and international project leader Aleks.