How to Tap Your Network and See Everything That Happens On It

Your home network is your fortress. Inside it lies tons of valuable information—unencrypted files, personal, private data, and perhaps most importantly, computers that can be hijacked and used for any purpose. Let's talk about how you can, with the power of evil, sniff around your home network to make sure you don't… » 10/22/14 11:56am Yesterday 11:56am

The Features That Matter on Your Next Router (and the Ones That Don't)

Shopping for a router used to be as simple as buying the thing everyone said was good. These days, you have to understand a ton of technical terms, from "beamforming" to "MIMO" and "dual band". Some of these are useful, but others are marketing fluff. Let's dive in and separate the useful from the rest. » 10/15/14 11:57am 10/15/14 11:57am

How To Make Sure No One's Secretly Stealing Your Home Wi-Fi

Wireless Network Watcher is a free, simple program for Windows XP and above that can take a quick look at the computers and devices connected to your home network. Fire it up and make sure there's no one on your Wi-Fi network who shouldn't be there. If you do find a squatter, a password change on your router should be… » 9/14/14 8:38am 9/14/14 8:38am

VPNs: What They Do, How They Work, and Why You're Dumb for Not Using One

For as ubiquitous as connectivity has become and how reliant we've grown on it, the Internet is still a digital jungle where hackers easily steal sensitive information from the ill-equipped and where the iron-fisted tactics of totalitarian regimes bent on controlling what their subjects can access are common. So… » 3/26/13 3:40pm 3/26/13 3:40pm

The World's Biggest Fiber LAN Lives at a Nuclear Weapons Research Lab

Sandia National Laboratories is the nation's premiere nuclear weapons research facility, and for more than 60 years, its researchers have poked and prodded the interiors of atoms to suss out their secrets—a task that has produced mountains of data that the facility's copper network struggles to contain. But now, even… » 3/01/13 11:30am 3/01/13 11:30am

How the Super Bowl's Crazy In-Stadium Wi-Fi Will Be Protected From…

These days, part of watching anything on TV—sporting event or otherwise—is dicking around on your phone or tablet. For people attending the Super Bowl this year, it'll be no different; the New Orleans Superdome will have a robust Wi-Fi network. Ars Technica has looked into the details, and it takes a lot of work to… » 2/03/13 12:00pm 2/03/13 12:00pm

How You Connect an Underwater Outpost to the Rest of the World


You think resetting your router or calling the cable company when your Internet goes out is a pain in the ass? When the network sputtered at Aquarius undersea research base, Dominic Landucci had to dive down with a spool burial-grade cat-5 cable and punch it through the side of the lab without flooding the entire… » 7/18/12 11:20am 7/18/12 11:20am