To take advantage of new security features and bug fixes, you need to stay up-to-date with the latest software. Before you do anything else, update your cluster with latest version of Scylla. Also take the time to ensure that your operating system and libraries are up-to-date as well.
The Scylla team announces the release of Scylla Enterprise 2019.1.1, a production-ready Scylla Enterprise minor release. It includes a new Encryption-at-Rest feature, BYPASS CACHE clause for CQL, plus new Docker and AMI packaging.
Scylla Cloud is continuously enhanced with new capabilities. In this May 2019 update, Scylla Cloud now includes the following features: Two Factor Authentication (2FA), Multi-Data Center Clusters and support for Scylla Enterprise 2019.1.