Microsoft says it cannot wall off its OS due to a 2009 deal with the EC to give security software makers the same level of access to Windows that Microsoft gets (Wall Street Journal)

Wall Street Journal:
Microsoft says it cannot wall off its OS due to a 2009 deal with the EC to give security software makers the same level of access to Windows that Microsoft gets  —  Global outage on Windows machines caused by CrowdStrike highlights Microsoft's security challenges