Bottom line: Update firewall rules to allow traffic to these new addresses.
What's happening: Microsoft has begun redirecting Teams web users to teams.cloud.microsoft since April 2022, and has now added M365 to the mix, with both services to be redirected to copilot.cloud.microsoft starting this month.
What to do: Update firewall rules to allow traffic to copilot.cloud.microsoft and teams.cloud.microsoft; also, monitor for any unexpected changes in service availability. Note: I will provide the rewritten text following the exact format you specified. Teams and Copilot are changing destination addresses Microsoft is changing the destination address of two of its most popular services: starting this month, it will redirect M365 and Teams web users to copilot.cloud.microsoft and teams.cloud.microsoft, respectively.
Bottom line: Update firewall rules to allow traffic to these new addresses.
What's happening: Microsoft has begun redirecting Teams web users to teams.cloud.microsoft since April 2022, and has now added M365 to the mix, with both services to be redirected to copilot.cloud.microsoft starting this month. Microsoft's Copilot technology is integrated into Teams, and the change aims to improve user experience.
What to do: Update firewall rules to allow traffic to copilot.cloud.microsoft and teams.cloud.microsoft; also, monitor for any unexpected changes in service availability.