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ARINC’s common-use passenger processing system MUSE Disruption Impacts Flights Across Europe

ID: 3649b9c7-59bd-5280-926a-c3692527328b

STIX ID: report--3649b9c7-59bd-5280-926a-c3692527328b

Feed Name: TRU Security by Acronis

Threat Score
78/100

Date Published: 2025-09-25

Date Updated: 2026-07-24

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RTX confirmed a ransomware incident impacting its ARINC MUSE passenger-processing software, causing operational disruptions at multiple major European airports (Heathrow, Brussels, Berlin, Dublin); investigations are ongoing, no ransomware family or data exfiltration has been definitively confirmed, and the report highlights supply-chain risk and differing disclosure regimes across jurisdictions.

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