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SUMMARY:How to Protect your Data by Eliminating Trusted Storage Infrastruc
 ture - David Mazieres - Stanford University
DTSTART:20081029T141500Z
DTEND:20081029T151500Z
UID:TALK13655@talks.cam.ac.uk
CONTACT:Mateja Jamnik
DESCRIPTION:Storage systems typically trust some amount of infrastructure 
 to behave correctly--the network\, a file server\, a certificate authority
 .\nMany interpret "protecting data" to mean building a security fence arou
 nd this trusted infrastructure.  Unfortunately\, people frequently fail to
  build high enough fences.  Moreover\, even low fences inconvenience hones
 t people by limiting the ways in which they can access\, update\, and mana
 ge data.\n\nAn alternative is to design systems that cope with compromised
  infrastructure.  This talk will present a set of techniques that progress
 ively chip away at the security requirements of ordinary network file syst
 ems--eliminating the need to trust the network\, eliminating the need to r
 ely on certificate authorities\, eliminating the need to trust replicas of
  popular data\, mitigating the effects of compromised clients and password
 s.\n\nFinally\, I'll show how clients can detect attempts to tamper with d
 ata even after an attacker completely compromises the file server.  All of
  these techniques have been realized in usable systems\, demonstrating tha
 t practical\, strong data security need not come at the cost of high fence
 s and their associated management constraints.\n
LOCATION:Lecture Theatre 1\, Computer Laboratory
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