E. Rosalie

@erosalie.infoepi.com

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

25483 followers2536 following11 stories

Longform Stories

May 4, 2026

May 4·4 min read·609 words

May 02, 2026

May 2·3 min read·559 words

April 29, 2026

Apr 30·4 min read·763 words

CogDef Brief — April 29, 2026

Apr 30·4 min read·766 words

April 28, 2026

Apr 28·3 min read·588 words

April 27, 2026

Apr 27·4 min read·684 words

April 23, 2026

Apr 23·4 min read·731 words

A Cognitive Defense Brief

CogDef is a free directory and blog related to cognitive defense.

Apr 13·1 min read·65 words

April 11, 2026

A joint warning from the FBI, NSA, and German BfV highlights Russia's exploitation of vulnerable routers in a campaign to steal credentials from critical targets, while significant data breaches and e…

Apr 11·3 min read·539 words

April 10, 2026

The CogDef Brief discusses various cybersecurity incidents, including the disruption of a Russian DNS hijacking campaign by the DOJ, a North Korean supply chain attack on the Axios npm package, and cr…

Apr 10·4 min read·679 words

April 7, 2026

Russia and China, cyber operations involving AI-enabled phishing and data breaches, foreign influence in military intelligence, and ongoing espionage activities targeting the defense sector.

Apr 7·3 min read·600 words