In August 2021 we advised that changes to OOT and eSPM security protocol were postponed. The customer issues have now been resolved and the TLS changes will be made in OOT & eSPM on 1 May 2023. 

From 1 May 2023, we will only be supporting TLS v1.2 and v1.3 and the following ciphers as previously advised. 

TLS v1.2 

TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 

TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA 

TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 

TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 

TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA 

TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 

TLS v1.3 

TLS_AES_256_GCM_SHA384 

TLS_AES_128_GCM_SHA256 

Contact 

If you have any questions regarding this, please get in touch with your account team.