FILE - In this May 6, 2019, file photo Microsoft CEO Satya Nadella delivers the keynote address at Build, the company's annual conference for software developers in Seattle. Microsoft says it has detected more than 740 infiltration attempts by nation-state actors in the past year targeting U.S.-based political parties, campaigns and other democracy-focused organizations including think tanks and other non-profits. (AP Photo/Elaine Thompson, File)