For Senate audience, Microsoft cyber leader details company's security bona fides

A Microsoft executive offered a deep dive on his company's cybersecurity efforts at a Senate Judiciary subcommittee hearing on “How Corporations and Big Tech Leave Our Data Exposed to Criminals, China, and Other Bad Actors,” as he and other witnesses urged lawmakers to improve international collaboration, info-sharing and other cybersecurity measures.

“At today’s hearing we’re going to get at the root of two concerns: American tech companies that are making deals with China's government to do business there and the...