This issue has been traced to a monitoring issue. All services should be performing normally.
Posted Jul 15, 2019 - 02:20 UTC
We are currently investigating a possible issue with SMS and voice One-time passcode delivery. We will update this notice as we learn more.
Posted Jul 15, 2019 - 02:07 UTC
This incident affected: SecureAuth Cloud Services (3rd Party Mobile Carrier, Nexmo Voice API, SMS Service - US1, SMS Service - US2, Telephony Provider SMS API, Telephony Service - US1, Telephony Service - US2).