Skip to content
Search

Latest Stories

cipherbrief

Welcome! Log in to stay connected and make the most of your experience.

Input clean
The Open Source Report logo: yellow on blue background

Daily national security briefings aren’t just for the president anymore. The Cipher Brief uses AI partnered with human analysis and expert perspective to keep you up-to-date on national security news from around the world.

Report for Wednesday, February 21, 2024

Yemen’s Houthis can still fight despite US-led airstrikes, leaving U.S. with stark choices

Ukraine military spy chief says Russia will struggle to advance

Ukraine downs seventh Russian military aircraft in recent engagements

Ex-FBI informant charged with lying over claims that Bidens had Russian intelligence contacts, prosecutors say

Dutch court rejects final argument in legal battle over former Russian oil giant Yukos

SpaceX growing ties with U.S. intelligence, military units

Cipher Brief EXCLUSIVE Subscriber+Reporting: Can Drones Help Ukraine Turn the Tide of War?

Cipher Brief EXCLUSIVE Opinion: Biden has a Secret Weapon for Ukraine.  Will he use it? 

You've reached subscriber-only content

Unlock expert intelligence: your gateway to exclusive security insights trusted by global leaders