Quotulatiousness

February 23, 2015

The “Internet of Things” (That May Or May Not Let You Do That)

Filed under: Liberty, Technology — Tags: , , , , — Nicholas @ 03:00

Cory Doctorow is concerned about some of the possible developments within the “Internet of Things” that should concern us all:

The digital world has been colonized by a dangerous idea: that we can and should solve problems by preventing computer owners from deciding how their computers should behave. I’m not talking about a computer that’s designed to say, “Are you sure?” when you do something unexpected — not even one that asks, “Are you really, really sure?” when you click “OK.” I’m talking about a computer designed to say, “I CAN’T LET YOU DO THAT DAVE” when you tell it to give you root, to let you modify the OS or the filesystem.

Case in point: the cell-phone “kill switch” laws in California and Minneapolis, which require manufacturers to design phones so that carriers or manufacturers can push an over-the-air update that bricks the phone without any user intervention, designed to deter cell-phone thieves. Early data suggests that the law is effective in preventing this kind of crime, but at a high and largely needless (and ill-considered) price.

To understand this price, we need to talk about what “security” is, from the perspective of a mobile device user: it’s a whole basket of risks, including the physical threat of violence from muggers; the financial cost of replacing a lost device; the opportunity cost of setting up a new device; and the threats to your privacy, finances, employment, and physical safety from having your data compromised.

The current kill-switch regime puts a lot of emphasis on the physical risks, and treats risks to your data as unimportant. It’s true that the physical risks associated with phone theft are substantial, but if a catastrophic data compromise doesn’t strike terror into your heart, it’s probably because you haven’t thought hard enough about it — and it’s a sure bet that this risk will only increase in importance over time, as you bind your finances, your access controls (car ignition, house entry), and your personal life more tightly to your mobile devices.

That is to say, phones are only going to get cheaper to replace, while mobile data breaches are only going to get more expensive.

It’s a mistake to design a computer to accept instructions over a public network that its owner can’t see, review, and countermand. When every phone has a back door and can be compromised by hacking, social-engineering, or legal-engineering by a manufacturer or carrier, then your phone’s security is only intact for so long as every customer service rep is bamboozle-proof, every cop is honest, and every carrier’s back end is well designed and fully patched.

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