ISO/ INTERNATIONAL STANDARD IEC/IEEE 15026-2 Second edition 2022-11 Systems and software engineering - Systems and software assurance Part 2: Assurance case Ingenierie du logiciel et des systemes - Assurance du logiciel et des systemes- Partie 2: Cas d'assurance IEC S . Reference number IS0/IEC/IEEE15026-2:2022(E) 3331 @ IS0/IEC 2022 @IEEE2022 IS0/IEC/IEEE 15026-2:2022(E) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC2022 IEEE2022 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 NY 10016-5997, USA Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: copyright@iso.org Email: stds.ipr@ieee.org Website: www.iso.org Website: www.ieee.org Published in Switzerland ii @IS0/IEC 2022 -All rights reserved @ IEEE 2022 -All rights reserved