INTERNATIONAL ISO/IEC STANDARD 21964-1 First edition 2018-08 Information technology Destruction of data carriers Part 1: Principles and definitions Technologies de I'information - Destruction de véhicules de donnees- Partie 1: Principes et concepts Reference number IEC IS0/IEC 21964-1:2018(E) os1 @ IS0/IEC 2018 IS0/IEC 21964-1:2018(E) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC 2018 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 at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0/IEC 2018 - All rights reserved IS0/IEC 21964-1:2018(E) Contents Page Foreword ..iv Introduction. ...V 1 Scope. 2 Terms and definitions .... 3 Identifying the protection requirement and assigning the protection class 4 Security levels for data carriers 5 Assignment of protection classes and security levels. 5.1 Selection of security level .4 5.2 Altering the security level ..4 5.2.1 General .4 5.2.2 Responsibility 5.2.3 Requirements ..5 Bibliography 6 @ IS0/IEC 2018 - All rights reserved ii