Awesome Cyber Security Newsletters

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

Niche Newsletters

• 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).

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

• 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)

• Security, Funded - Get the free newsletter recapping investing in the cybersecurity and privacy space delivered weekly to your inbox - Mike Privette (@mikepsecuritee)

• 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.

• Sources & Methods - Monthly digest of Cyber threat intelligence (CTI) information sources, tools, articles, and helpful tips - by Matthew Conway (@mattreduce)

• 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.

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).

• tl;dr sec Newsletter - Clint Gibler (@clintgibler) covers the latest cybersecurity tools, research, and best practices.

• 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.

• CyberWeekly - A weekly roundup of cyber security, technology and digital content presented with a small amount of editorial comment

• 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.

LinkedIn Groups

• Artificial Intelligence Security - https://www.linkedin.com/groups/14545517/
• Web3 Security - https://www.linkedin.com/groups/14549421/

Twitter Lists

• Red Team - Get the latest tweets from red team professionals - https://www.twitter.com/i/lists/1270700272285696001

• CERTs - Get the latest tweets from computer emergency response teams - https://twitter.com/i/lists/1267657323494797312

• Vendor Research Labs - Get the latest updates about security research papers published by cyber security labs and research depertments - https://twitter.com/i/lists/1267499126024888320

• Phishing & Botnet Hunters - https://twitter.com/i/lists/1267713842613637121

• OWASP Projects - Get the latest updates about OWASP projects - https://twitter.com/i/lists/1267635551168892928

• Test Security Labs - https://twitter.com/i/lists/1274234475547750400

• Pentest Tools - https://twitter.com/i/lists/1269682302939848705

• Malware Hunters - https://twitter.com/i/lists/1269537848266383362

• RastaMouse Twitter List - RedBlue - https://twitter.com/i/lists/875997733735235588