IEC IEC62443-3-2 Edition1.0 2020-06 INTERNATIONAL STANDARD colour inside Securityfor industrial automation and control systems- Part3-2:Securityriskassessmentforsystemdesign IEC 62443-3-2:2020-06(en Copyright Interm THISPUBLICATIONISCOPYRIGHTPROTECTED Copyright@2020IEC,Geneva,Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information. IECCentralOffice Tel.: +41 22 919 02 11 3, rue de Varembe info@iec.ch CH-1211 Geneva 20 www.iec.ch Switzerland AbouttheIEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards forallelectrical, electronic and relatedtechnologies. AboutIECpublications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latestedition,acorrigendumoranamendmentmighthavebeenpublished IECpublications search-webstore.iec.ch/advsearchform Electropedia-www.electropedia.org The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology. varietyof criteria (reference number, text, technical containing more than22000 terminological entries in English committee,..). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages. and withdrawn publications. Also known as the International Electrotechnical Vocabulary IEc Just Published -webstore.iec.ch/justpublished (IEV) online Stay up to date on all new IEC publications. Just Published IEc Glossary-std.iec.ch/glossary details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and once a month by email. French extracted from the Terms and Definitions clause of IEC publications issued since2002.Some entries havebeen IEc Customer Service Centre-webstore.iec.ch/csc collectedfromearlierpublications of IECTC 37,77,86and If you wish to give us your feedback on this publication or CISPR. needfurtherassistance,pleasecontacttheCustomerService Centre: sales@iec.ch. Copyright International Electrotechnical Commission