Microsoft's crisis and security chief on what it learned from sending 156,000 employees home — and why it will be much harder to bring everyone back (MSFT)

· Bret Arsenault, Microsoft's chief information security officer, says it was "a watershed moment when companies sent everyone home."
· "Within two weeks, we went from a largely on-premise workforce to over 90% of employees working remotely," he says. 
· Working remotely has been "a great equalizer," with people relating on...