[SitusAMC Hit by Cyberattack, Client Data from Multiple Wall Street Banks May Have Been Leaked] Real estate loan servicing technology provider SitusAMC stated that it experienced a cyberattack on November 12. Major banks such as JPMorgan Chase, Citigroup, and Morgan Stanley have been notified by SitusAMC, indicating that client data may have been leaked. The details of the related reports cannot be verified at this time.