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Engineering Blog for High Performance Insights


i3X 1.0, Cyber Resilience Act, and the assurance gap in open industrial APIs
OT SECURITY BRIEF: We look into the security aspects of the recently introduced i3X 1.0 (Industrial Interoperability eXchange) In June 2026, CESMII froze version 1.0 of i3X — the Industrial Information Interoperability eXchange — and shipped it with an implementation guide, an OpenAPI definition, a Python client, a conformance test suite and an MCP server. Forty-four technology providers have publicly aligned behind it. The specification is small, MIT-licensed, and by severa
Scott Ludwick
Sep 1510 min read
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