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"Child," said Aslan, "did I not explain to you once before that no one is ever told what would have happened?"
--C.S. Lewis, Voyage of the Dawntreader
Apparently, not always so. The Meltdown and Spectre attacks are interesting and clever exploits of speculative execution, a trick we are using to execute programs more quickly.
An internet-connected device isn't like a house: it has to be a fortress, because it is much harder to prosecute attackers, due to the relatively high anonymity and jurisdiction-crossing freedom of online attacks.
--C.S. Lewis, Voyage of the Dawntreader
Apparently, not always so. The Meltdown and Spectre attacks are interesting and clever exploits of speculative execution, a trick we are using to execute programs more quickly.
An internet-connected device isn't like a house: it has to be a fortress, because it is much harder to prosecute attackers, due to the relatively high anonymity and jurisdiction-crossing freedom of online attacks.
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(And this is part of why my actual house has no 'net-controlled security...)
Makes me wonder if we could somehow geofence access to things. NFC sort of works this way, what with the 'near' in near-field, but it's not clear how to do it when you can't use speed-of-light constraints to ensure that people really are near.
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I wonder if routing information can help establish proximity in a useful metric.
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Be glad you don't work for an OS company.
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