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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 8,762 posts.

Any year
518

Can you get root with only a cigarette lighter?

Before you can write an exploit, you need a bug. When there are no bugs, we have to get creative—that's where Fault Injection comes in. Fault injection can take many forms, including software-controlled data corruption, power glitching, clock glitching, electromagnetic pulses, lasers, and more.

520

Airbnb and security camera disclosure

This post got *a lot* of attention. I’m super happy about that because I had been afraid that we had reached a point where we collectively didn’t care about cameras or meaningful disclosure. Although, to that point here’s a comment someone posted: "I just assume that there will be camera constantly recording when I…

521

What It Costs to Run Let's Encrypt

Today we’d like to explain what it costs to run Let’s Encrypt. We’re doing this because we strive to be a transparent organization, we want people to have some context for their contributions to the project, and because it’s interesting. Let’s Encrypt will require about $2.9M USD to operate in 2017. We believe this is…

525

Passkeys are not a trap

A post called Passkeys are a trap. Do not use them. has been doing the rounds over the last few days, making it pretty high on Hacker News, and I've had it sent to me many times with an 'is this true?' kind of vibe. It's written for

526

A decade of Have I Been Pwned

A decade ago to the day, I published a tweet launching what would surely become yet another pet project that scratched an itch, was kinda useful to a few people but other than that, would shortly fade away into the same obscurity as all the other ones I'd launched

534

What's Inside the EU Green Pass QR Code?

Here in Austria, you need to be either vaccinated against, tested negative for, or have recovered from COVID-19 to go to the pub (or pretty much everywhere) right now. If you don't want to carry around your paperwork proving one of those, you can alternatively show your Green Pass QR code to be let in.