Bob DeRodes will take over as the company's top IT man after serving as a long-time IT adviser to the Department of Homeland Security.
Scott managed the company's internal IT operations for the past five years.
Big companies including JPMorgan Chase and Pepsi are bringing on chief information security officers to limit their exposure to major hacks.
CEO Satya Nadella, on the job since February, is suddenly everywhere, taking on the role of brainy technology visionary once held by Bill Gates as he seeks to steer Microsoft in a different direction.
Google Executive Chairman Eric Schmidt tells CIOs they need to blow up their infrastructure pronto, argues Android is secure, and covers a lot of turf.
What is one Windows? To Steve Ballmer it means a "common user interface, common programming interface, common security architecture, and user interface adaptability."
The cloud storage company bucks its Google Docs-like content creation tool and introduces a simpler way to create files and work on them with others.
This year's symposium highlights the challenges of dealing with legacy while embracing new computing approaches.
Company officials say more than a million people have signed on as Office 365 Home Premium subscribers in the first 100 days the product has been available.
E-mail was down nearly a quarter of the time--but that was just one of myriad problems for a White House burdened by antiquated technology.