12 Best Cybersecurity Newsletters in 2026

CyberGeoDigest

CyberGeoDigest delivers a daily briefing focused on the intersection of cybersecurity and geopolitics. Each morning at 07:00 UTC, subscribers receive a curated digest covering nation-state operations, APT campaigns, critical infrastructure threats, policy shifts, and sanctions enforcement. The newsletter monitors over 23 sources including The Record, CyberScoop, CISA, and Google Threat Intelligence, and distills everything into tight 2-3 sentence summaries that can be read in under five minutes.

What sets CyberGeoDigest apart is its geopolitical lens. Rather than just reporting on vulnerabilities and breaches, it contextualizes events within the broader landscape of state-level conflict, espionage, and international policy. If you work in threat intelligence, national security, or security leadership, this belongs in your daily rotation.

tl;dr sec

Created by Clint Gibler, tl;dr sec is one of the most respected weekly roundups in the security community. It covers a broad range of topics from application security and cloud security to offensive research and security engineering. Each issue features categorized links with brief annotations, making it easy to scan and find what is relevant to your work. Particularly strong for practitioners who build security tooling or run AppSec programs.

Risky Business News

Risky Business started as a podcast and has grown into one of the most authoritative voices in cybersecurity journalism. The newsletter edition, Risky Business News, delivers daily coverage of breaches, government actions, threat actor activity, and industry developments. The writing is sharp, opinionated, and informed by deep industry relationships. The paid tier adds a sponsor-free experience and access to additional briefings. Essential reading for anyone who wants to understand the business side of cybersecurity alongside the technical.

Krebs on Security

Brian Krebs is arguably the most well-known investigative cybersecurity journalist in the world. His blog-turned-newsletter does not follow a fixed publishing schedule, but when Krebs publishes, it is almost always significant. He specializes in deep investigative pieces on cybercrime, ransomware operations, dark web marketplaces, and the people behind attacks. His reporting has directly led to law enforcement actions. If you follow only one individual journalist in cybersecurity, it should be Krebs.

The Record by Recorded Future

The Record is the news arm of Recorded Future and has established itself as a leading source of cybersecurity journalism. It covers everything from nation-state operations and ransomware to government policy and technology regulation. The reporting is fast, accurate, and frequently breaks stories before other outlets. Their newsletter delivers the day's top stories with enough context to understand the significance without needing to click through on every article. Particularly valuable for its international coverage.

Dark Reading

Dark Reading has been a staple of cybersecurity media for over a decade. Their daily newsletter covers vulnerabilities, attacks, data breaches, and security technology with a strong enterprise focus. It is particularly useful for security operations teams and IT security managers who need to stay current on the threats and tools affecting corporate environments. The coverage spans cloud security, application security, endpoint protection, and risk management. A solid all-around newsletter for the enterprise security professional.

Schneier on Security

Bruce Schneier has been writing about security since the 1990s, and his newsletter remains one of the most thoughtful publications in the field. Schneier covers security from a systems-thinking perspective, connecting technical vulnerabilities to broader societal, political, and economic implications. His monthly Crypto-Gram newsletter aggregates his blog posts and adds commentary. If you want to think more deeply about why security fails and what it means for society, Schneier is indispensable.

SANS NewsBites

SANS NewsBites has been running for over two decades, making it one of the longest-running cybersecurity newsletters. Each issue features a selection of the week's top security stories, annotated with commentary from SANS instructors and industry experts. The editorial perspective from experienced practitioners adds significant value beyond the raw news. It is a trusted source for CISOs and security leaders who want a vetted, expert-filtered view of the threat landscape.

The Hacker News

The Hacker News is one of the highest-traffic cybersecurity news sites in the world, and its daily newsletter reflects that breadth. It covers vulnerabilities, malware campaigns, data breaches, and security tool releases at high volume. The newsletter is best suited for security professionals who want comprehensive coverage and are comfortable skimming for the stories most relevant to them. Particularly strong on breaking vulnerability disclosures and zero-day coverage.

Naked Security by Sophos

Sophos' Naked Security blog and accompanying newsletter is known for making complex security topics accessible to a broad audience. The writing is clear and engaging, breaking down technical attacks and vulnerabilities in a way that both security professionals and informed non-specialists can understand. It covers malware analysis, scam awareness, privacy issues, and practical security advice. A good choice for security awareness teams and anyone who needs to communicate security topics to non-technical stakeholders.

Graham Cluley

Graham Cluley is a veteran of the cybersecurity industry who has been writing about security threats for over 30 years. His daily newsletter and blog combines security news coverage with a distinctive, often wry tone that makes dense topics more approachable. He covers data breaches, ransomware, social engineering, privacy, and more. The paid tier offers an ad-free experience and additional content. One of the most consistently readable voices in cybersecurity, and a good complement to more formal publications.

CISA Alerts

The Cybersecurity and Infrastructure Security Agency (CISA) publishes alerts and advisories whenever significant threats or vulnerabilities are identified. These are not editorialized or opinionated — they are authoritative, technical advisories from the U.S. government's lead cybersecurity agency. CISA's Known Exploited Vulnerabilities (KEV) catalog alerts are particularly valuable for vulnerability management teams. Every security team should subscribe to CISA alerts as a baseline, regardless of what other newsletters they read.