Security and Privacy in Cloud Computing

  • Published on
    22-Feb-2016

  • View
    60

  • Download
    0

DESCRIPTION

Security and Privacy in Cloud Computing. Ragib Hasan Johns Hopkins University en.600.412 Spring 2011. Lecture 4 02 /21/ 2011. Securing Data in a Cloud. Problem How do we secure data that has been outsourced to a cloud? Goal Learn about different techniques in secure data outsourcing - PowerPoint PPT Presentation

Transcript

Security and Privacy in Cloud Computing

Ragib HasanJohns Hopkins Universityen.600.412 Spring 2011Lecture 402/21/2011Security and Privacy in Cloud Computing

Securing Data in a CloudProblemHow do we secure data that has been outsourced to a cloud?GoalLearn about different techniques in secure data outsourcingReview Assignment #3Ateniese et al., Provable data possession at untrusted store, CCS 2007

02/21/20112en.600.412 Spring 2011 Lecture 4 | JHU | Ragib Hasan RecapFrom last lecture: Trustworthy Cloud Computing Platform

Pros:

Cons:

Ideas:02/21/2011en.600.412 Spring 2011 Lecture 4 | JHU | Ragib Hasan 3Provable Data PossessionIdea:Dont trust the server, rather challenge it from time to time to see if it still has the data

Goals:Client should retain minimal amount of metadata, challenges should be small, and responses shouldnt be easy to guess

02/21/2011en.600.412 Spring 2011 Lecture 4 | JHU | Ragib Hasan 4

Recommended

View more >