ISO/IEC 20243 – Supply Chain Security for Cloud and IT Systems

ISO/IEC 20243 defines a standard set of requirements and practices for mitigating risks in the technology supply chain. Known as the Open Trusted Technology Provider Standard (O-TTPS), it is focused on ensuring product integrity, secure development, and trustworthy sourcing across hardware and software vendors.

For cloud and IT service providers, ISO 20243 is critical for reducing threats related to counterfeit components, malicious code, and supply chain tampering, particularly when delivering secure services to government, defense, and regulated industries.

How intSignal Helps You Align with ISO 20243

intSignal offers implementation and advisory services for ISO 20243, helping you reduce risk across your technology supply chain and demonstrate trustworthiness to customers and auditors.

Supply Chain Risk Assessment
We identify and evaluate risks across your vendor relationships, sourcing strategies, development pipelines, and hardware procurement processes.

Product Integrity and Lifecycle Controls
We implement and document processes to ensure authenticity, security, and integrity through the design, development, manufacturing, and deployment phases.

Vendor and Subcontractor Assurance
We help define and enforce security requirements for your vendors, suppliers, and subcontractors, ensuring your full supply chain meets ISO 20243 expectations.

Secure Engineering and Development Practices
We assist in applying secure coding, change control, and configuration management aligned with ISO 20243 for both hardware and software systems.

Policy and Documentation Support
We create or refine policies, supplier management procedures, and development lifecycle documentation required for audit and certification.

Audit Preparation and Compliance Monitoring
We provide evidence collection, audit support, and post-certification reviews to maintain long-term compliance and adapt to evolving threats.

Whether you're manufacturing appliances, delivering SaaS, or building secure cloud platforms, intSignal helps you build a trusted, verifiable supply chain aligned with ISO/IEC 20243.

‍