{"id":"isa-iec-62443","model_id":"IEC 62443-3-3","name":"IEC 62443-3-3","summary":"IEC 62443-3-3:2013 is an international standard in the Industrial communication networks - Network and system security series, Part 3-3: System security requirements and security levels. It provides detailed technical control system requirements (SRs) tied to the seven foundational requirements (FRs) described in IEC 62443-1-1, and defines requirements for control system capability security levels, SL-C. These are used with defined zones and conduits for the system under consideration (SuC) to develop the target SL, SL-T, for a specific asset.","study_notes":["Publication date 2013-08-07; edition 1.0.","The contents of the corrigendum of April 2014 are included in this copy; IEC 62443-3-3:2013/COR1:2014 is edition 1.0, dated 2014-04-24, status Valid.","Technical committee: TC 65 Industrial-process measurement, control and automation.","Publication type: International Standard; category: Information security and data privacy.","ICS 25.040.40 and 35.110; ISBN 9782832264225; 80 pages; file size 2.43 MB.","Stability date 2027.","Seven foundational requirements (FRs) are described in IEC 62443-1-1.","Requirements are applied to zones and conduits defined for the system under consideration (SuC).","ISA publishes the identical edition under the naming convention ISA-62443-x-y; IEC editions appear as IEC 62443-x-y."],"safety_notes":[],"sources":[{"url":"https://www.isa.org/standards-and-publications/isa-standards/isa-iec-62443-series-of-standards","title":"ISA/IEC 62443 Series of Standards - ISA","accessed":"2026-10-25"},{"url":"https://webstore.iec.ch/en/publication/7033","title":"IEC 62443-3-3:2013","accessed":"2026-10-25"}],"verification":{"status":"source_checked","checked_at":"2026-10-25","values":4,"method":"llm_source_check"},"updated_at":"2026-10-25","type":"standard","spec":{"body":"IEC","reference":"IEC 62443-3-3","edition_year":2013,"related":[]},"url":"https://machineschema.com/standard/isa-iec-62443","license":"https://creativecommons.org/licenses/by/4.0/"}