Azure HDInsight Internet Protocol Security (IPSec) encryption in transit allows the traffic between various nodes of the cluster to be encrypted using IPSec. Learn more about HDInsight encryption in transit.
Azure HDInsight now supports version-less keys for Customer-Managed Keys (CMK) encryption at rest. With version-less keys, HDInsight cluster will try to perform key auto-rotation when the key is updated in your Azure Key Vault. Learn more about HDInsight double encryption for data at rest.