Browse newsletters about security

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.

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.

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.

Agentic AI

by Ken Huang

Ken Huang's Agentic AI newsletter offers weekly strategies, roadmaps, and security for teams building and securing autonomous AI agents.

Lawfare | Substack

by Lawfare

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

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.

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.

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.

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.

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.

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.

Malcontent News - Where the Truth Matters

by David Obelcz

Malcontent News delivers award-winning, independent journalism, free from "Orwellian Newspeak." It offers uncurated truth for "malcontents" who believe truth matters.

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.

Between Us

by Nadav Eyal

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

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.

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.

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.

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.

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.

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.

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.

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.

Eleatiche | Substack

by Eleatiche

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

Amanda & Andrea Britto

by Energia Seguros

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

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.

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.

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.

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.

Buda Péter - Idő van | Buda Peter | Substack

by Buda Peter

Buda Péter provides strategic forecasts by examining national security, applied history, mentality, and religious studies, blending past insights with self-reflection.

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.

BlockThreat

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

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.

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.

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.

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.

Tom Hoefling | Substack

by Tom Hoefling

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

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.

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.

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.

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.

Spycraft 101

by Justin Black

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

Special Competitive Studies Project

by SCSP

SCSP recommends strategies to boost US competitiveness in AI & emerging tech, ensuring America wins the techno-economic competition by 2030.

The Multiplier | Retirement Income | Mike Thornton | The Multiplier | Substack

by Mike Thornton | The Multiplier

Mike Thornton's Multiplier offers an income-first retirement framework, powered by his VADER algorithm, for steady, growing income from options and dividends.

FPRI Insights | Substack

by FPRI

A weekly newsletter from the Foreign Policy Research Institute, FPRI Insights offers expert analysis and commentary on critical US foreign policy and global affairs.

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).

The Secretary's SitRep

by Patrick J. Murphy

Patrick J. Murphy delivers The Secretary's SitRep, offering concise analysis on current events, geopolitics, and strategic developments.

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.

Zero to Hoodie Substack

by BowTiedCyber

BowTiedCyber's Zero to Hoodie helps aspiring cybersecurity professionals land a job in 90 days with career roadmaps, resume templates, and practical tutorials.

PREVAIL by Greg Olear | Substack

by Greg Olear

Greg Olear’s PREVAIL delivers sharp analysis on politics, national security, and global corruption, covering the fight for democracy. Sundays feature poetry and literature.