When it comes to PKI, leaders have two options: build it or move it to the cloud. PKI as-a-Service (PKIaaS) platforms are becoming a popular investment choice that provide all the benefits of a privately rooted PKI, but without the cost and complexity of running it in-house. PKIaaS providers can deliver a much more effective, and ultimately more secure, PKI than most enterprises can achieve on their own. Regardless of whether the choice is to build or buy, teams must consider six key requirements to ensure in-house or out-sourced PKI success – and digital identity security.