Have questions related to PKI? Scan the drop-downs below for a simple explanation of each. Don’t see your question? Ask our team of PKI architects by calling 1.801.701.9690 or emailing

What is PKI?

Why should my organization use PKI?

How is PKI used?

What’s end-to-end encryption?

What is a CA?

What is a digital certificate?

What are public and private keys, and how are they related?

What are public and private roots?

Does DigiCert offer solutions for both public and private PKI?

What’s MPKI?

Should we set up an internal CA (build) or use a hosted CA (buy)?

What is a Certificate Policy?

What is key storage and how should we handle it?

What is an HSM?

How do I get started with building a PKI?