A counterintelligence-focused newsletter that offers a daily-style SITREP digest of espionage, terrorism, deception and propaganda stories, plus longer commentary on Russia, Trump and intelligence matters. Readers get a curated roundup of security news and a seasoned, partisan-leaning analytical take on influence operations.
Website: https://topsecretumbra.substack.com
Tom Griffin's newsletter offers long-form intelligence history profiles focused on the US, UK and Ireland, drawing on declassified archives such as MI5 files and German BND history. Readers get archival detail on Cold War espionage, liaison relationships and counterintelligence failures, with corrections and sourcing noted.
A cyber threat intelligence newsletter that analyzes recent security incidents, including insider espionage, state-backed intrusions and ransomware industry conduct. Each issue walks through the reported facts, separates allegation from proof, and explains why the incident matters.
Analytical newsletter examining conflict, security, terrorism, organised crime and espionage, with commentary on topics such as online radicalisation and youth violence. Readers get expert-style analysis aimed at understanding emerging security challenges.
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