Software Update to $20 Phones Could Topple 2G Cell Networks

In normal situations, when a call or SMS is sent over the network, a cellular tower “pages” nearby devices to find the one that should receive it. Normally, only the proper phone will answer—by, in effect, saying “It’s me,” as Seifert puts it. Then the actual call or SMS goes through. The rewritten firmware can Read more about Software Update to $20 Phones Could Topple 2G Cell Networks[…]

ZMap · The Internet Scanner

ZMap is an open-source network scanner that enables researchers to easily perform Internet-wide network studies. With a single machine and a well provisioned network uplink, ZMap is capable of performing a complete scan of the IPv4 address space in under 45 minutes, approaching the theoretical limit of gigabit Ethernet. via ZMap · The Internet Scanner.

Five Best Video Converters

This is a usefull list if you don’t want to handle the command line ffmpeg. It recommends 5 other free utils that are easy to use in varying amounts: MPEG Streamclip (which also works on OSX) Format Factory Handbrake (which is primarily a DVD ripper) Freemake Video Converter SUPER Five Best Video Converters.