This incident has been resolved.

Ping IDaaS services are not hosted in US-EAST-1 but we remain vigilant in our monitoring of the situation for any tertiary impact.

AWS region US-EAST-1 is being impacted by connectivity issues. We're are monitoring the health of our services and those of our 3rd party suppliers. https://status.aws.amazon.com/

We have noted temporary delays in SMS delivery which have returned to normal now.