US Patent 11528150 Real-time certificate pinning list (RTCPL)

Examples described herein relate to systems, apparatuses, methods, and non-transitory computer-readable medium for maintaining, by an authoritative server, a plurality of pinned certificates. The authoritative server sends a certificate pinning list (CPL) to a client system. The CPL is a list of the plurality of pinned certificates each of the plurality of pinned certificates is associated with a corresponding one of host systems different from the authoritative server. The client system uses the plurality of pinned certificates in cryptographic processes involving the host systems.