4 newsletters, ranked by editorial quality and how recently they published. Looking for something more specific? Search instead.
Cisco Talos publishes threat research, vulnerability advisories and analysis of emerging attack trends, including detection and coverage guidance for Cisco customers. Recent posts cover critical PHP flaws, abuse of legitimate platforms for phishing delivery, and the surge in AI-discovered vulnerabilities.
Risky Business newsletter covers cybersecurity breaches, vulnerabilities and threat actor activity with short news items and links to its podcast episodes. The sample shows concise, news-style reporting on incidents such as a Tor exit node hijack, a KVM escape vulnerability and an arrest of a hacking group.
Intelligence-style bulletins on threats and incidents affecting churches, including attack reporting, key judgments and security recommendations. Some downloadable resources are reserved for paid subscribers.
A weekly OSINT newsletter covering investigation tools, tactics and techniques, with step-by-step tool walkthroughs such as FOFA and Telegago, plus curated news and community-built tool roundups. Readers get practical guidance on finding and verifying online information and a steady stream of new resources.
One short email a week with hand-picked newsletters from the index. Free, no spam, unsubscribe anytime.
