KMIP, the Key Management Interoperability Protocol, is an open standard for communication between key management systems and cryptographic devices or software. It defines a common way to request, store, retrieve, rotate, and revoke keys so different vendors can work together more cleanly.
In cyber security, KMIP matters because key management is part of the trust boundary. If an organization uses multiple clouds, HSMs, databases, or encryption appliances, KMIP can reduce vendor lock-in and help centralize policy, logging, and rotation. That makes it easier to enforce consistent controls over who can use a key and when. In real defenses, KMIP is often used to connect enterprise key managers to storage systems, databases, and backup tools. In attacks, the protocol itself is not usually the target; the risk is weak authentication, exposed management interfaces, or over-permissioned access to the key server. Protecting KMIP endpoints is therefore critical to protecting the data they unlock.