Comments on: Are these your files? I found them on my cloud http://stage.vambenepe.com/archives/922 IT management in a changing IT world Tue, 09 Mar 2010 22:10:17 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: Shlomo http://stage.vambenepe.com/archives/922#comment-94598 Shlomo Fri, 09 Oct 2009 06:04:11 +0000 http://stage.vambenepe.com/?p=922#comment-94598 "Or maybe they keep track of the blocks that were written and only wipe these." They definitely keep track of which blocks are written - it's part of the incremental snapshotting mechanism. As to whether they use it to optimize wiping.... Also, check out Eric Hammond's warning about the dangers of info left over on shared EBS snapshots: http://alestic.com/2009/09/ec2-public-ebs-danger “Or maybe they keep track of the blocks that were written and only wipe these.”

They definitely keep track of which blocks are written – it’s part of the incremental snapshotting mechanism. As to whether they use it to optimize wiping….

Also, check out Eric Hammond’s warning about the dangers of info left over on shared EBS snapshots:
http://alestic.com/2009/09/ec2-public-ebs-danger

]]> By: William Vambenepe’s blog » Blog Archive » Look Ma, no hypervisor! http://stage.vambenepe.com/archives/922#comment-91655 William Vambenepe’s blog » Blog Archive » Look Ma, no hypervisor! Tue, 22 Sep 2009 05:19:02 +0000 http://stage.vambenepe.com/?p=922#comment-91655 [...] industry… Especially if you factor in non-technical considerations like compliance, fear of data leakage and the risk of having the hardware underlying your application seized because of an investigation [...] [...] industry… Especially if you factor in non-technical considerations like compliance, fear of data leakage and the risk of having the hardware underlying your application seized because of an investigation [...]

]]> By: andy.edmonds.be › links for 2009-09-02 http://stage.vambenepe.com/archives/922#comment-87406 andy.edmonds.be › links for 2009-09-02 Thu, 03 Sep 2009 00:35:53 +0000 http://stage.vambenepe.com/?p=922#comment-87406 [...] William Vambenepe’s blog » Blog Archive » Are these your files? I found them on my cloud In the first part of the paper, the authors show how to get your EC2 instance co-located (i.e. running in in the same hypervisor) with the instance you are targeting (the one you want to spy on). Once this is achieved, they describe side channel attacks to glean information from this situation. [...] [...] William Vambenepe’s blog » Blog Archive » Are these your files? I found them on my cloud In the first part of the paper, the authors show how to get your EC2 instance co-located (i.e. running in in the same hypervisor) with the instance you are targeting (the one you want to spy on). Once this is achieved, they describe side channel attacks to glean information from this situation. [...]

]]> By: egrep-cloud-cambrian-watch-2009-09-01 « すでにそこにある雲 http://stage.vambenepe.com/archives/922#comment-87234 egrep-cloud-cambrian-watch-2009-09-01 « すでにそこにある雲 Wed, 02 Sep 2009 08:38:13 +0000 http://stage.vambenepe.com/?p=922#comment-87234 [...] William Vambenepe’s blog » Blog Archive » Are these your files? I found them on my cloud – (追記) great post.  wipe の DoS とか、とても示唆に富んだ内容です。 [...] [...] William Vambenepe’s blog » Blog Archive » Are these your files? I found them on my cloud – (追記) great post.  wipe の DoS とか、とても示唆に富んだ内容です。 [...]

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