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U.S. Enforcement Against the European Hamas–Muslim Brotherhood Network Since October 7, 2023

Published

28 September 2026

Topic

regulatory

◆ Sectors

Government & Space

◆ Geography

Europe

◆ Source

Read at csis.org →

◆ Verified

Fusion42 · 28 September 2026 · Fusion42 review

The U.S. Treasury has intensified enforcement against the Muslim Brotherhood network in Europe, designating key figures like Mahmoud al-Abyari and urging European governments to dismantle domestic entities linked to Hamas and the Muslim Brotherhood to curb extremist influence and fundraising. This marks a shift from earlier U.S. focus solely on Hamas to a broader crackdown on Muslim Brotherhood activities within allied states, including the UK.

This Wire brief sits within Fusion42's coverage of Government & Space.

◆ ◆ The Wire takeaway

You must reassess risks if you operate in sectors vulnerable to financing scrutiny linked to extremist groups. The US is pushing European allies to clamp down on Muslim Brotherhood ties, opening enforcement windows you need to navigate now.

◆ Coverage

1 source · 28 Sep 2026

◆ Related on Wire

◆ Topics

Government & Spacemuslim-brotherhoodhamasus-treasurycounterterrorismeuroperegulatory-action