NIST
The U.S. National Institute of Standards and Technology — publishes widely used security frameworks.
NIST publishes the most widely adopted U.S. security guidance. The Cybersecurity Framework (CSF) organizes a program around its six functions — Govern, Identify, Protect, Detect, Respond, Recover (Govern was added in CSF 2.0). Key Special Publications include SP 800-53 (control catalog), 800-61 (incident handling), and 800-207 (zero-trust architecture); though U.S.-origin, they’re referenced globally.
PlayPrepHQ study notes are written and reviewed against primary exam sources. How we create & review content →