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The best Cyber Threat Intelligence newsletters

2 newsletters, ranked by editorial quality and how recently they published. Looking for something more specific? Search instead.

sourcesmethods.com· monthly· Inactive for over a year

A monthly digest curated by Matthew Conway covering cyber threat intelligence sources, analytic frameworks, tools and methods, with short annotated links to vendor and researcher reports. It helps practitioners keep up with CTI tooling, attribution techniques and reading material in a compact, scannable format.

cti sourcesthreat intelligence toolsattribution frameworkosint toolssynapsevertex project

Praeryx

Ghost
praeryx.com· irregular· Inactive for over a year

A multi-part polemic from a cyber threat intelligence vendor arguing that the industry's paywalled, opaque model serves vendors rather than defenders, especially those in regions outside the Western market. Readers get a one-sided critique of CTI pricing, access control and regional neglect, with little concrete evidence and a strong pitch for an alternative.

cyber threat intelligencectithreat intelligence vendorssecurity operations centerthreat intel pricingknowledge cartel