The physical attack Microsoft worried about is hacker extracting information from a stolen laptop. It only takes a single laptop (out of thousands) to infiltrate the company network and steal source code or whatever.
For enterprise users, this attack vector is a real threat. Microsoft definitely wants to dog food this technology to their own employees to avoid getting hacked.
For enterprise users, this attack vector is a real threat. Microsoft definitely wants to dog food this technology to their own employees to avoid getting hacked.