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ETH Zürich Rämistrasse 101 8092 Zürich, Switzerland http://www.hk.ethz.ch
Contact Ms Prof. Shweta Shinde +41 44 633 09 88
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ETH Zürich

Die Cloud-Sicherheit aus dem Konzept gebracht

(PresseBox) (Zürich, )
Öffentlich nutzbare Cloud-​Dienste sind speziell abgesichert. ETH-​Informatiker:innen haben nun eine Sicherheitslücke in den neuesten Absicherungsmechanismen von AMD-​ oder Intel-​Chips entdeckt. Betroffen sind grosse Cloud-​Anbieter wie AWS oder Google.

In Kürze


«Confidential Computing» (engl. «vertrauliche Datenverarbeitung») schützt die Verarbeitung sensibler Daten in Clouds, die von verschiedenen Anwender:innen benutzt werden.
ETH-​Forschende konnten zeigen, dass es trotzdem eine Schwachstelle in der Hardware des Cloud-​Servers gibt, die es ermöglicht, auf Daten zuzugreifen, die in den Speichern anderer Cloud-​Nutzer:innen gespeichert sind, die mit der gleichen Hardware arbeiten.
Die Sicherheitslücke öffnet sich über die sogenannte Hypervisor-​Software sowie den Interrupt-​Mechanismus, mit dem sich Rechner-​Prozesse vorübergehend unterbrechen lassen.


Mit «Confidential
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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.