Several U.S. banking giants and mortgage lenders are reportedly scrambling to assess how much of their customers’ data was stolen during a cyberattack on a New York financial technology company earlier this month. SitusAMC, which provides technology for over a thousand commercial and real estate financiers, confirmed in a statement over the weekend that it had identified a data breach on November 12. The company said that unspecified hackers had stolen corporate data associated with its banking customer ...