Reletter
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The Information Epidemiology Lab (InfoEpi Lab) intersects public health, national security, information disorder, and countering malign influence.

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Substack
PricingFreemiumPublishesTwice weekly
Issues133Founded3 years agoLast Issue20 days ago
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Artwork for InfoEpi Lab

Latest Issues

CogDef Brief - May 4, 2026

CogDef Brief is a short, regularly updated situational summary that helps readers track key developments in the cognitive defense landscape.

  1. UK Raises Terrorism Threat Level to “Severe” After Antisemitic Attack in London
20 days ago
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CogDef Brief - May 2, 2026

CogDef Brief is a short, regularly updated situational summary that helps readers track key developments in the cognitive defense landscape.

  1. UK Raises Terrorism Threat Level to “Severe” Following Golders Green Attack
25 days ago
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CogDef Brief — April 15, 2026

Anti-AI extremist arrested after attack on OpenAI CEO's residence. A 20-year-old identified as Daniel Moreno-Gama was arrested April 14 after throwing an incendiary device at Sam Altman’s San Francisco home, and then attempting to breach Op...

a month ago
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CogDef Brief - April 14, 2026

New manipulation tactics were deployed around Hungary’s parliamentary election, including coordinated private Facebook groups pushing party messaging and Russian interference.

Foreign Influence & Information Operations

a month ago
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CogDef Brief - April 13, 2026

FBI Disrupts Russian GRU Router Hijacking Operation; Russia Accelerates Digital Censorship; Telegram Launches Countermeasures

Foreign Influence & Information Operations

a month ago
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  • InfoEpi Lab
  • E. Rosalie

    Public health + national security • Johns Hopkins alum • Tracking mysterious weaponized pigeons and FIMI

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