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.

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.

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.

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.

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.

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.

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.

Spycraft 101

by Justin Black

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

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.

Tom Hoefling | Substack

by Tom Hoefling

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

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.

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.

Jacob Kaarsbo

by Jacob Kaarsbo

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

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.

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.

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.

BlockThreat

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Lawfare | Substack

by Lawfare

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

Eleatiche | Substack

by Eleatiche

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

Present Danger: China

by Present Danger: China

Present Danger: China offers political analysis exploring current challenges and issues related to China's global influence.

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.

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.

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.

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.

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.

Between Us

by Nadav Eyal

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

ChinaTalk | Jordan Schneider | Substack

by Jordan Schneider

Jordan Schneider's ChinaTalk offers non-partisan analysis on China and emerging technology for Silicon Valley and Washington, trusted by policymakers and business leaders.

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.

TOP SECRET UMBRA

by John Schindler

Daily "YourINT SITREP" intelligence reports & exclusive political analysis from John Schindler's TOP SECRET UMBRA, covering sensitive topics.

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.

Resilient Cyber

by Chris Hughes

Chris Hughes delivers timely analysis of cybersecurity topics and trends in Resilient Cyber, leveraging 20+ years of experience in defense and tech.

Amanda & Andrea Britto

by Energia Seguros

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

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).

Top of the World News | Substack

by Top of the World News

Top of the World News provides independent Arctic intelligence, info, and analysis from experts in the High North, examining the region's shift into a global chessboard.

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.

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.