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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 Tuesday, April 22, 2025

Report for Tuesday, April 22, 2025

Trump stands behind Hegseth after attack plans shared in second Signal chat

Trump sees 'very good' chance for Ukraine ceasefire as U.S. proposes major concessions

Trump Shuns Europe, and Its Defense Industry Tries to Capitalize

Israeli Minister Says Freeing Hostages Not ‘Most Important’ Aim of the War

China Warns Countries Not to Team Up with U.S. Against It on Trade

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