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When you use your phone to unlock a Tesla, the device and the car use Bluetooth signals to measure their proximity to each other. Move close to the car with the phone in hand, and the door automatically unlocks. Move away, and it locks. This proximity authentication works on the assumption that the key stored on the phone can only be transmitted when the locked device is within Bluetooth range.
Now, a researcher has devised a hack that allows him to unlock millions of Teslas—and countless other devices—even when the authenticating phone or key fob is hundreds of yards or miles away. The hack, which exploits weaknesses in the Bluetooth Low Energy standard adhered to by thousands of device makers, can be used to unlock doors, open and operate vehicles, and gain unauthorized access to a host of laptops and other security-sensitive devices.
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This class of hack is known as a relay attack, a close cousin of the person-in-the-middle attack. In its simplest form, a relay attack requires two attackers.
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Here's a simplified attack diagram, taken from the above-linked Wikipedia article, followed by a video demonstration of Khan unlocking a Tesla and driving away with it, even though the authorized phone isn't anywhere nearby.
(Score: 1, Insightful) by Anonymous Coward on Sunday May 22 2022, @06:11PM (3 children)
Translation: the world is changing, as it always does, and I'm angry about it!
(Score: -1, Troll) by Anonymous Coward on Sunday May 22 2022, @06:13PM (1 child)
A change similar to this one started and fueled WW2.
(Score: 3, Touché) by Anonymous Coward on Sunday May 22 2022, @08:28PM
The rise of fascism socially constructing gender as part of a dominance hierarchy by which men seek to control women's reproductive organs?
(Score: -1, Troll) by Anonymous Coward on Sunday May 22 2022, @08:37PM
Eh. For 99% of the time covering the existence of the Human species, Authority defined everything. And each Tribe's King owned all the Women that he hadn't gifted to other males to ensure his stable rule. Human DNA and genetic behavours defines this. These societies were perpetual.
For that other 1% of Humanity's existence, 99% of that had this unstable idea of 'nuclear monogamy'. These societies had perpetual conflict due to it being discordant with their genes.
For that 1% of 1% of Humanity existence, a group in limited distribution of the planet had the thinking about Wallace-like evolution of a artificial system could magical happen. They bred out within a century, and weren't known to even 20% of the human population of their time.