JPMorgan, Citi, Morgan Stanley client data may be exposed by vendor's hack, NYT reports

FILE PHOTO: The JPMorgan Chase & Co. building before the ribbon cutting ceremony, at the firm's new headquarters at 270 Park Avenue, in New York City, U.S., October 21, 2025. REUTERS/Eduardo Munoz/File Photo

(Reuters) -Client data for JPMorgan Chase, Citi, Morgan Stanley and other major banks may have been accessed in a hack of a technology vendor, the New York Times reported on Saturday, citing people familiar with the matter.

SitusAMC said in a statement on its website on Saturday that it had been the subject of a cyberattack on November 12, compromising certain information from its systems and that "data relating to some of our clients' customers may also have been impacted."