Thank you @Antonio Bongiorno for reporting the outage at 3:25 am CST. Broadcom IT is working on resolving the outage when logging into the Community.
Thank you for your patience.
Time: 7:28 PM CST
Broadcom IT is still working on the SSO Sign-in Issue.
Thank you for your patience
Time: 8:06 AM CST
Broadcom IT is still working on the SSO Sign-in Issue. No change
Status Update: No Change
Time: 3:08 PM CST
Status Update: Available
Time: 2:01 AM CST
Broadcom IT has restored access to SSO. I've tested a few accounts.