Chief Information Security Officer (CISO) Glossary Definition

A Chief Information Security Officer is a senior level executive of an organization entrusted with the responsibilities of protecting the information assets of the businesses and making sure that the information policies of the organization align with the objectives of the organization.

In security and compliance work, this term helps teams describe controls, risks, identity practices, standards, audits, or protective technologies. It is relevant when managing access, reducing exposure, documenting safeguards, or demonstrating accountability.