Microsoft Site Showing Warning Following Certificate Expiry

Microsoft seems to have failed certificate management after a domain used by sysadmins globally to test connectivity to Microsoft 365 started generating untrusted connection warnings in browsers on Monday. The connectivity.office.com domain a widely relied-upon tool for IT professionals to verify their network’s connectivity to Microsoft 365 and confirm that firewalls aren’t silently blocking critical […] The post Microsoft Site Showing Warning Following Certificate Expiry appeared first on Cyber Security News.