List of services impacted: Plivo SMS API (Outbound SMS)
Event Description
At Mar 7 2019 08:00 am UTC a small percent of the SMS API traffic was routed to a new version of our API service with updated security policy (TLS-1-2-2017-01 ). This resulted in errors for a few API clients due to security related incompatibility.
Corrective Action
We have reverted the security policy and made it compatible with the previous version(ELBSecurityPolicy-2016-08).