Best of 2020

The blog posts Hacker News loved most in 2020. 5,567 posts.

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2438

Cyberespionage Using SS7 via Circles

Circles is a surveillance firm that reportedly exploits weaknesses in the global mobile phone system to snoop on calls, texts, and the location of phones around the globe, and is affiliated with NSO Group, which develops the oft-abused Pegasus spyware. Using Internet scanning, we found a unique signature associated…

2439

Fast-Growing Remote Startups

Note: Enter your email to get notified when we launch our job board for hot remote companies! “If you’re offered a seat on a rocket ship, get on, don’t ask what seat.” -Sheryl Sandberg, COO of Facebook One of the greatest myths about remote work is that there aren’t phenomenal companies that are hiring remotely. […]

2442

Cache Oblivious Algorithms

Cache-Oblivious Algorithms Cache-oblivious algorithms seemed incredible to me when I first heard about it in 6.854 (Advanced Algorithms). It’s relatively straightforward to imagine algorithms that utilizes information about page size $B$ and cache size $M$ to create efficient data structures. However, cache-oblivious…