ISO/IEC/ INTERNATIONAL STANDARD IEEE 15026-1 First edition 2019-03 Systems and software engineering - Systems and software assurance Part 1: Concepts and vocabulary Ingenierie des systemes et du logiciel - Assurance des systemes et du logiciel - Partie 1: Concepts et vocabulaire IEC Reference number IS0/IEC/IEEE15026-1:2019(E) IEEE @ IS0/IEC 2019 @IEEE2019 IS0/IEC/IEEE15026-1:2019(E) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC2019 IEEE2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO or IEEE at the ISO copyright office Institute of Electrical and Electronics Engineers, Inc CP 401 · Ch. de Blandonnet 8 3 Park Avenue, New York CH-1214 Vernier, Geneva NY10016-5997,USA Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: [email protected] Email: [email protected] Website: www.iso.org Website: www.ieee.org Published in Switzerland @IS0/IEC 2019- All rights reserved ii @ IEEE 2019 - All rights reserved IS0/IEC/IEEE15026-1:2019(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions ..1 3.1 Terms related to assurance and properties .2 3.2 Terms related to product and process.. 3.3 Terms related to integrity level 4 3.4 Terms related to conditions and conseguences 3.5 Terms related to organization. ..8 4 Organization of this document .9 5 Basic concepts .9 5.1 General. .9 5.2 Assurance .9 5.3 Stakeholders .10 5.4 System and product .10 5.5 Property .10 5.5.1 General .10 5.5.2 Properties as behaviours .11 5.6 Uncertainty and confidence.. .11 5.7 Conditions and initiating events .11 5.8 Consequences. ..12 6 Using multiple parts of IS0/IEC/IEEE 15026 ..12 6.1 General .12 6.2 Initial usage guidance 13 6.3 Relationships among parts of IS0/IEC/IEEE 15026 .13 6.4 Authorities. .14 7 IS0/IEC/IEEE 15026 (all parts) and the assurance case ..14 7.1 General. .14 7.2 Justification of method of reasoning ..15 7.3 Means of obtaining and managing evidence ..15 7.4 Certifications and accreditations ..16 8 IS0/IEC/IEEE 15026 (all parts) and integritylevels .16 8.1 General ..16 8.2 Risk analysis .17 9 IS0/IEC/IEEE 15026 (all parts) and the life cycle ..17 9.1 General ..17 9.2 Assurance activities in the life cycle .18 10 Summary .18 Bibliography. ..19 IEEE notices and abstract .28 @ IS0/IEC 2019-All rights reserved @ IEEE 2019 - All rights reserved iii