Kaspersky researchers have unpacked a malicious UEFI-based rootkit used in the wild since 2016 which can survive an OS reinstall and a hard drive replacement (Dan Goodin/Ars Technica)

[Thread] A look at Helium, a crypto network of 500K+ IoT hotspots, which raised $365M from a16z and others and generates an est. $6.5K/month in network revenue  —  .@Helium, often cited as one of the best examples of a Web3 use case, has received $365M of investment led by @a16z. Regular folks have also been convinced to spend $250M buying hotspot nodes, in hopes of earning passive income. The result? Helium’s total revenue is $6.5k/month https://twitter.com/…