--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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