ATO – Authorization to Operate

HBSS – Hosed Based Security System

IAVA – Information Assurance Vulnerability Alert

ICS/OT – Industrial Controls System / Operational Technology

ISSO – Information System Security Officer

PHI – Protected Health Information

PII – Personally Identifiable Information

POAM – Plan of Actions and Milestones

RMF – Risk Management Framework

SA – System Administrator

SCD – Scheduled Completion Date

STIG – Security Technical Implementation Guide