AIOS-26-011300 - Apple iOS/iPadOS 26 must implement the management setting: use SSL for Exchange ActiveSync.

Information

Exchange email messages are a form of data in transit and thus are vulnerable to eavesdropping and man-in-the-middle attacks. Secure Sockets Layer (SSL), also referred to as Transport Layer Security (TLS), provides encryption and authentication services that mitigate the risk of breach.

SFR ID: FMT_SMF.1.1 #47

Solution

Install a configuration profile to use SSL for Exchange ActiveSync incoming mail.

Configuration Profile Key: IncomingMailServerUseSSL

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_Apple_iOS-iPadOS_26_V1R2_STIG.zip