9 Cybersecurity Newsletters Security Teams Depend On

Security teams deal with nonstop change. New exploits appear daily. Compliance rules shift. These newsletters filter the noise and deliver actionable updates.

Expect threat intelligence, vulnerability summaries, and post-incident breakdowns. Each editor aims to save analysts time while strengthening defenses.

Pick a few to follow. Build a weekly briefing from their highlights. Share it with engineering, legal, and leadership.

1. Krebs on Security

Brian Krebs reports on breaches, cybercrime, and policy moves. His newsletter summarizes each blog post plus relevant background. You stay ahead of major investigations.

Forward articles to executives when you need external validation for security investments.

2. Risky Business

Risky Business pairs a podcast with a written brief covering the week's biggest security stories. The tone stays frank and avoids jargon.

The team interviews practitioners who fought the incidents firsthand, giving readers practical perspective.

3. SANS NewsBites

SANS instructors compile NewsBites twice a week. Each item includes a short summary and expert take on why it matters, plus recommended actions.

Analysts use it to prepare daily standups and prioritize patching work.

4. Dark Reading Daily

Dark Reading's newsletter covers enterprise security. Topics include zero trust projects, identity management, and cloud security case studies.

You get vendor coverage and practitioner interviews that speed up procurement decisions.

5. TLDR Security

TLDR Security is a weekly roundup of red team and blue team resources. It features writeups, tooling releases, and detection engineering tips.

Many SOCs read it religiously to keep their detection pipelines fresh.

6. Graham Cluley Security Newsletter

Veteran analyst Graham Cluley shares daily security news with a conversational tone. He calls out scams, phishing campaigns, and privacy laws before they hit mainstream media.

The email is easy for non-technical stakeholders to understand, which helps with company-wide awareness.

7. The CyberWire Daily Briefing

The CyberWire sends a concise daily report of global cyber events. It highlights state actors, ransomware groups, and ongoing investigations.

Many teams pair it with the CyberWire podcast during morning commutes.

8. Google Cloud Security Newsletter

Google Cloud shares platform updates, detection rules, and workshops. Even multi-cloud teams benefit from its deep dives into zero trust and identity strategies.

The newsletter often includes hands-on labs you can use for team training.

9. The Defender's Advantage

CrowdStrike's Defender's Advantage covers threat actor profiles and incident response tips. It blends intel with practical playbooks for SOC teams.

Readers receive trend analysis on ransomware, supply chain attacks, and endpoint defense.

Turn Intel into Action

Set up a shared escalation doc. When a newsletter flags a relevant CVE or tactic, log it, assign an owner, and track mitigation status.

This process keeps the security program proactive instead of reactive.