Group 1 - Microsoft has made changes to its operations to prevent China-based engineers from maintaining cloud computing systems for the U.S. Department of Defense [1][2] - The previous system utilized "digital escorts," who were U.S. citizens with security clearances, to supervise the engineers, but they sometimes lacked the necessary technical expertise [1] - Secretary of Defense Pete Hegseth emphasized that foreign engineers, including those from China, should not have access to DoD systems [2] Group 2 - Microsoft's chief communications officer stated that the company has assured no China-based engineering teams will provide technical assistance for DoD cloud services [2]