This disclosure generally relates to securely pushing messages from an AF to a User Equipment (UE) in communication networks. Performed by a wireless device in a wireless network, the method includes receiving, from a first network element hosting an Application Function (AF), a message comprising one of: an AKMA (Authentication and Key Management for Applications) key identifier (ID) identifying an AKMA anchor key of the wireless device; or a set of parameters indicative of the AKMA key ID; and storing the AKMA key ID and an AF key associated with the first network element in a security context, wherein the first network element outside of a core network of the wireless network.