Awesome Cyber Security Newsletters

April 6, 2026 · View on GitHub

Periodic cyber security newsletters that capture the latest news, summaries of conference talks, research, best practices, tools, events, vulnerabilities, and analysis of trending threats and attacks

🔗 Related: Awesome AI Security — curated resources for securing AI systems: https://github.com/TalEliyahu/Awesome-AI-Security

Niche Newsletters

  • AI Security Newsletter - A digest of AI security research, threats, governance challenges, and best practices for securing AI systems.

  • The Cloud Security Reading List - A low volume newsletter (delivered once per week) that highlights security-related news focused on the cloud native landscape, hand curated by Marco Lancini (@lancinimarco).

  • API Security Newsletter - The latest API security news, vulnerabilities and best practices by @apisecurityio.

  • This Week in 4n6 - A collection of everything that happens on a weekly basis in the Digital Forensics and - Incident Response community - Phill Moore (@phillmoore).

  • Blockchain Threat Intelligence - A weekly, independent newsletter to capture the latest security news, tools, events, vulnerabilities, and threats in the cryptocurrency landscape - Peter Kacherginsky (@_iphelix).

  • AWS Security Digest - Adopt a slow-tech 🐌 approach by reading only essential info on AWS Security landscape – once a week –  on Monday.

  • MEM and Windows Weekly Community Newsletter - The latest Microsoft Endpoint Manager, Intune, Microsoft Endpoint Configuration Manager, Powershell, and Windows 11 news every week! Also, you will find a big selection of tools and solutions- Daniel Engberg (@danielclasson)

  • GRC Engineer - The weekly newsletter engineering the future of the security GRC field, where leaders from the biggest tech companies improve their GRC programs - Ayoub Fandi

  • RTCSec Newsletter - A free monthly newsletter bringing you commentary and news around VoIP and WebRTC security. Covers both defensive and offensive security as they relate to Real-time Communications. Prepared by Sandro Gauci (@sandrogauci).

  • Politico Weekly Cybersecurity - Delivered every Monday by 10 a.m., Weekly Cybersecurity examines the latest news in cybersecurity policy and politics.

  • AdvisoryWeek - A roundup of the security advisories that were published each week by major software vendors (Apple, Adobe, Microsoft, Oracle, etc.), built by Pete Freitag (@pfreitag).

  • Risky.Biz - It’s your weekly digest and analysis of the big stories shaping cyber policy. Prepared by Brett Winterford (@breditor), Tom Uren (@tomatospy), and Patrick Gray (@riskybusiness).

  • Last Week in AWS Security - Corey Quinn's newsletter focused on AWS Security

  • Full Disclosure Mailing List - A public, vendor-neutral forum for detailed discussion of vulnerabilities and exploitation techniques, as well as tools, papers, news, and events of interest to the community.

  • Return on security - free newsletter recapping investing in the cybersecurity and privacy space delivered weekly.

  • Threats Without Borders - A weekly newsletter for cyber-financial crime investigators and security practitioners.

  • Detection Engineering Weekly - A weekly newsletter, published every Wednesday, on the latest topics, state of the art and how-tos in the art and science of Detection Engineering - (@techyteachme)

  • Infostealers by Hudson Rock - A weekly newsletter related to news and publications about Infostealers.

  • Venture in Security - A free weekly newsletter about the business side of security (startups, ecosystem, venture capital, investing, markets etc.)

  • MI-One by Metron Security - It's your exclusive monthly peek into the inner world of security system integrations and automation.

News Newsletters

  • The CyberSecurity Club - Provides a short summary on all the key topics you may have missed for the week, covering threat intelligence, cybersecurity trends & insights, regulatory developments and vulnerability news.

  • TLDR Information Security - A daily newsletter delivering the latest news, research, and tools.

  • Vulnerable U - A weekly security newsletter "building resilience" - by Matt Johansen (@mattjay)

  • Last Week in Security - A summary of the interesting cybersecurity news, techniques, tools and exploits from the previous week - Bad Sector Labs (@badsectorlabs).

  • This week in security - A weekly tl;dr cybersecurity newsletter of all the major stuff you missed, but really need to know. It includes news, the happy corner, a featured cyber cat (or friend), and more. It's sent every Sunday, and is completely free. Prepared by Zack Whittaker (@zackwhittaker).

  • Hive Five Newsletter - Sharing what matters in security. Every week securibee curates InfoSec news, so you can focus on securing web apps and earning bug bounties - Pusha B (@securibee).

  • SANS Newsletters - SANS offers three newsletters to keep you up-to-date on the latest cybersecurity news, cyber attacks and vulnerabilities, and security awareness tips and stories.

  • U.S. Department of Homeland Security - Sign up to receive free e-mails to get updates on a variety of U.S. Department of Homeland Security cyber security topics.

  • Unsupervised Learning Community - Daniel spends 20+ hours a week consuming content, and every Monday morning he sends a summary of the most important stories - Daniel Miessler (@DanielMiessler)

  • IT Security Weekend Catch Up - Every week BadCyber (@badcybercom) put together a curated list of all important security news in one place.

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AI Security - https://t.me/AISecHub