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Client Data for Major Banks Exposed in Vendor Hack

Client Data for Major Banks Exposed in Vendor Hack

First seen 2 Dec 2025, 18:33 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

A hack of a technology vendor has potentially exposed client data for JPMorgan Chase, Citi, Morgan Stanley, and other major banks. The vendor, SitusAMC, stated that the incident has been contained, and no encrypting malware was involved, ensuring that services remain fully operational.

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