ATT&CK v19 will be released April 28th! Check out this blog post for information on the planned deprecation of Enterprise's Defense Evasion tactic in the upcoming release.
HTTP Public Key Pinning (HPKP) is one method to mitigate potential man-in-the-middle situations where and adversary uses a mis-issued or fraudulent certificate to intercept encrypted communications by enforcing use of an expected certificate.