Execute Information Assurance (IA) practices to validate that expected security, compliance and resilience controls are appropriately designed and operating as intended for Technology Assets, Applications and Services (TAAS).
Organizations validate the adequacy and operating effectiveness of security, compliance and resilience controls across development, testing and production environments through assurance activities that support defensible risk and compliance decisions.
Information Assurance (IA) validates that controls actually work. Every other domain in the SCF describes what controls to implement; IAO is the discipline of verifying that those controls are designed correctly and operating as intended. Without assurance activities, organizations are operating on the assumption that their controls work, an assumption that frequently turns out to be wrong.
The SCF's intent for IAO covers development, testing and production environments. That scope is significant. Security testing only in production misses vulnerabilities introduced during development. Testing only in development misses configuration drift that occurs when systems are promoted to production. IAO requires assurance across the full environment lifecycle.
Assurance activities include assessments, audits, testing and continuous control monitoring. They produce the evidence that supports compliance demonstrations and risk decisions. The IAO domain is not internal audit transposed into security; it is the function that closes the loop between what controls are supposed to do and what they actually do. In organizations without a mature IAO discipline, this gap is often only discovered during external audits or incidents.
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