
NCA ECC Compliance for AI Systems: A 2025 Technical Checklist
Why AI Systems Face Unique NCA ECC Challenges
Saudi Arabia's National Cybersecurity Authority Essential Cybersecurity Controls (NCA ECC) was initially designed for traditional IT systems. But as AI and ML systems become embedded in enterprise workflows, they introduce unique control challenges that many organisations are not prepared for.
An AI system is not just software — it is a combination of training data, model weights, inference infrastructure, and operational processes. Each layer introduces NCA ECC obligations that traditional security teams often miss.
The 14 Critical Controls
1. Data Classification and Labelling (ECC-2-1-1)
Training datasets and model outputs must be classified according to the organisation's data classification policy. In practice, this means labelling training data with sensitivity levels and documenting what categories of data the model has been exposed to. For models processing citizen or personal data, data handling procedures must be documented in the system's security assessment.
2. Access Control for Model Artifacts (ECC-2-5-1)
Model weights, training data, and inference endpoints are sensitive assets. NCA ECC requires role-based access control with principle of least privilege. In AWS terms: model artifacts in S3 with bucket policies restricting access to specific IAM roles, SageMaker endpoint invocation policies, and CloudTrail audit logging for every model API call.
3. Encryption at Rest and in Transit (ECC-2-7-1)
All training data, model weights, and inference results must be encrypted at rest (AWS KMS with customer-managed keys) and in transit (TLS 1.2+). For models processing particularly sensitive data, consider AWS Nitro Enclaves for confidential computing during inference.
Audit Trail Requirements
One of the most operationally challenging NCA ECC requirements for AI systems is comprehensive audit logging. Every inference request — who made it, what data was sent, what response was returned — must be logged with tamper-proof controls. Implement CloudTrail for API-level logging and application-level logging to a CloudWatch Log Group with KMS encryption and MFA-protected deletion prevention.