OSCAL

OSCAL: the Open Security Controls Assessment Language 

This is how you arrive at the future state of RMF

Providing control-related information in machine-readable formats.

The Open Security Controls Assessment Language (OSCAL) is a NIST-led initiative designed to move cybersecurity compliance from a slow, paper-based "check-the-box" activity to a high-speed, automated mission capability.

For a military executive, here is how OSCAL impacts operational readiness and risk management:

1. From Compliance to "Continuous Readiness"

Currently, most security authorizations (like RMF packages) rely on static Word or Excel documents that are out of date the moment they are signed.

• The OSCAL Shift: It converts these documents into machine-readable data (XML, JSON, YAML).

• The Result: Instead of waiting months for a manual audit, leadership can see the real-time security posture of a system. It shifts the focus from "documentation" to "defensibility."

2. Accelerating the ATO Process

The "Authority to Operate" (ATO) process is often a bottleneck for deploying new capabilities to the warfighter.

• Automation: Because OSCAL is data-centric, security tools can "talk" to each other. An assessment tool can automatically check a system and update the Security Assessment Report (SAR) without manual data entry.

• Speed: It can reduce audit durations from months to minutes, allowing faster deployment of critical software and weapon systems.

3. Interoperability Across the Joint Force

In a multi-service environment, sharing risk data is notoriously difficult because every agency uses different templates.

• Standardization: OSCAL provides a universal language for security controls.

• The Benefit: A security baseline developed by the Air Force can be digitally ingested and understood by the Army or Navy systems instantly, facilitating "Reciprocity" and joint operations.

4. Policy-as-Code

OSCAL allows commanders to operationalize their intent.

• Direct Control: Policies and regulatory requirements are baked into the code of the system.

• Precision: Leadership can establish and share machine-readable control baselines, ensuring that every system under their command meets the exact same rigorous standards automatically.

Bottom Line: OSCAL is the foundational layer for Continuous Authorization. It replaces administrative overhead with automated oversight, ensuring that cybersecurity keeps pace with the speed of the mission.

For more details on the framework, you can explore the OSCAL project overview.

RESOURCES

Main Page for NIST OSCAL

GitHub: OSCAL SSP content for technologies shipped by Red Hat

GitHub: OSCAL Compass project

YouTube: OSCAL in Action: Real World Examples of Automating Policy & Compliance - J. Power & H. Braswell  

GitHub: ComplianceAsCode Various projects accomplishing compliance through code and automation.