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The Only Safe Phone Is One Even the Police Can't Unlock

CGP Grey4 HN recommenders · recommended in 4 months, 2016–2025
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explainer · general · evergreen · 2016–2025 on HN

A five-minute CGP Grey explainer arguing that a phone is effectively an extension of your mind, and that any backdoor or master key into encrypted devices will inevitably be abused or leaked. It frames the encryption debate as locks that are either unbreakabl…

HN commenters use it as a short, persuasive primer to send to non-technical people in debates over encryption backdoors and decryption legislation.

9 comments from Hacker News

@lukifer2019-07 · in “Tech firms “can and must” put backdoors in encryption, AG Barr says”

If you need to explain to non-technical friends and family exactly why this is a terrible idea, CGP Grey offers an easily digestible 5-minute primer: ▶ this video Computers either have unbreakable locks, or no locks whatsoever. There's no stable middle ground.

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@urda2019-04 · in “The Time Tim Cook Stood His Ground Against the FBI”

> The FBI asked Apple to put a build on a phone that would allow them to brute force the passcode, leaving the device and the build on Apple's premises the entire time. It doesn't matter how well it might be locked down or secured. If the government coerced them into building it, it wouldn't be difficult to go one more step and require apple to hand over the modified OS. This [1] does a great job of explaining why building a master key is just a bad idea. This is a pandora's box we do not need to open. [1] ▶ this video

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@sillysaurus32017-05 · in “FBI director Comey backs new Feinstein push for decrypt bill”

Yes. ▶ this video is a pretty good video for persuading people why this legislation is a bad idea. We might still be able to beat it by rallying support.

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@united8932016-05 · in “Judge Grants Search Warrant Forcing Woman to Unlock iPhone with Touch ID”

If you have five minutes, please see this short video from CGPGrey, which summarizes succinctly why access to your phone is akin to access to brain: > ▶ this video

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@socalgal22025-04 · in “Encryption Is Not a Crime”

It doesn't seem like trustworthy governments is the issue. You can't have backdoors period because they'll be leaked / discovered and used by bad actors. ▶ this video