In response to mounting criticism over its handling of cyberattacks, Satya Nadella-led Microsoft Corp. (NASDAQ:MSFT) has announced the appointment of new security chiefs to its product groups. What Happened: The tech giant has named Ann Johnson as the deputy chief information security officer or CISO to oversee communication and outreach regarding the company’s security, reported Bloomberg on Friday. Johnson, who has been with Microsoft since 2015, will focus on customer engagement and communication about the company’s security. Subscribe to the Benzinga Tech Trends newsletter to get all the l…