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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 617 posts.

2023
33

Swing VPN app is a DDoS botnet

tldr: Swing VPN is using its user base to DDOS sites using its users as a an attack botnet. Introduction It all started with a friend of mine complaining that his phone was doing a request to a specific app every few seconds. Initial assumption was that the phone was infected with a virus but a 2 minute investigation…

40

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

47

Mastercard Should Stop Selling Our Data

We trust companies with our information every day. But many companies—even those that hold our most revealing information—are using it not just to provide the services we ask for, but to amp up their profits at the cost of our privacy.That's why EFF has joined a campaign, led by the U.S. Public...

50

iMessage, explained

This blog post is going to be a cursory overview of the internals iMessage, as I’ve discovered during my work on pypush, an open source project that reimplements iMessage.

52

CAN Injection: Keyless car theft

This is a detective story about how a car was stolen - and how it uncovered an epidemic of high-tech car theft. It begins with a tweet. In April 2022, my friend Ian Tabor tweeted that vandals had been at his car, pulling apart the headlight and unplugging the cables.

54

Reptar

We have a CPU mystery! We found a way to cause some processors to enter a glitch state where the normal rules don’t apply, but what does that mean…?