ISO/IEC INTERNATIONAL STANDARD 20547-4 First edition 2020-09 Information technology - Big data reference architecture : Part 4: Security and privacy Technologies de I'information - Architecture de reference des mégadonnées- Partie 4: Sécuritéet confidentialite Reference number IEC ISO/IEC 20547-4:2020(E) @IS0/IEC2020 IS0/IEC 20547-4:2020(E) COPYRIGHT PROTECTED DOCUMENT IS0/IEC2020 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 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 01 11 Email: copyright@iso.org Website:www.iso.org Published in Switzerland ii @ IS0/IEC 2020 - All rights reserved