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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.

Open Source Report for Thursday, March 27, 2025

Report for Thursday, March 27, 2025

US Intel Community Sees Russia, Ukraine Choosing a Longer War Over a Bad Deal

Hegseth comes under fire for texting imminent bombing plans over Signal app

Homeland Security Secretary Noem tours El Salvador prison

Poland & Sweden planning large-scale military increases

China retaliates against Hong Kong tycoon for Panama Canal deal

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