Node A6 · Acronym decoder
STIG
Security Technical Implementation Guide
What it actually means
DISA's hardening checklists for specific technologies — operating systems, databases, network devices — each a long list of configuration requirements with severity ratings. "STIG compliance" is a concrete, auditable chunk of the RMF process, and STIGing a system is a real verb with a real labor cost.
Where you'll meet it
System hardening, RMF control implementation, and cybersecurity audits.