ATT&CKcon 7.0 in-person tickets are open! Join us October 27-28, 2026 in McLean, VA. Register here for in-person tickets; hotel and location details can be found in the FAQ.
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.