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March 4, 2025. 9:00 AM ET

The Cipher Brief curates open source information from around the world that impacts national security. Here’s a look at today’s headlines, broken down by region of the world.

CIPHER BRIEF EXCLUSIVESTHE UKRAINE UPDATETHE AMERICASEUROPETHE MIDDLE EASTASIA & OCEANIAAFRICACYBER, TECH & MARKETSREPORT INFO

Open Source Report for Tuesday, March 4, 2025

Report for Tuesday, March 4, 2025

Trump pauses military aid to Ukraine after clash with Zelensky

Trade wars erupt as steep tariffs hit Canada, Mexico, China

EU defense plans could mobilize 800 billion euros, von der Leyen says

Taiwan asserts it is 'impossible' for U.S. to abandon strategic Indo-Pacific

New appointments to National Security Council indicate shift to offensive cyber action

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