SASE Trust
SASE trust should always be zero trust. Many first-generation SASE offers have been based on SD-WAN or a firewall with added functions. The entire success of the SASE Service depends on effective security. For effective security, SASE deployments must leverage ZTF. SASE Security Policy will allow traffic that has met all the criteria for authorization; then, SASE Forwarding Policy will forward traffic as defined by that policy. Identity and Access Management Function (IdAM or IAM) serves as the basic building block for identifying who or what is trying to access the network. IdAM/IAMmay get you in, but ZTF will shut you down if something changes while traffic is in session. SASE trust is zero trust because there is never a time that a session should be allowed to exist unless all the policy conditions are continually met.
The first rule in SASE is that there is no trust. Any discussion about trusting in SASE should be considered using common vernacular and not considered...