Wi Fi Card

ESP8266-based microcontrollers can be used to create exciting and legal Wi-Fi hacking games to test your or your friends' Wi-Fi hacking skills. When you first start learning how to hack Wi-Fi, it can be tempting to use your powers on Wi-Fi networks you don't have permission t ...more

A few lines of code in the iOS 9.1 library cache found by Chase Fromm (@uloshe) indicate that Apple could be working on making iPhones that are Li-Fi compatible. Code in iOS 9.1 lists "LiFi Capability.". Li-Fi, which transmits data through light waves rather than radio waves, ...more

Does your network begin to crawl right around the time your sinister-looking next-door neighbors get home from work? Do you harbor suspicions that one or more of them may be stealing your Wi-Fi? It's easy to find out. And equally easy to give freeloaders the boot. In the guide ...more

If you're flying AirTran Airways, Delta, or Virgin America over the holidays, Google has teamed up with the aforementioned airlines to offer free in-flight wi-fi from November 20 to January 2, 2011 on all domestic flights. Why? Out of good will and holiday cheer, of course (pl ...more

You're sitting in your favorite café enjoying a hot cup of joe, then you open up your laptop or turn on your tablet computer to get to work, but as always you get sidetracked and head straight for Facebook. Someone just tagged you in a photo, so you check it out, then you see ...more

Life is getting more and more convenient. You can pick up a wireless signal at nearly any coffee shop these days (Starbucks is now officially free in every location across the nation), as well as airports, libraries, hotels and more. However, along with this convenience comes ...more

The price of hacking Wi-Fi has fallen dramatically, and low-cost microcontrollers are increasingly being turned into cheap yet powerful hacking tools. One of the most popular is the ESP8266, an Arduino-programmable chip on which the Wi-Fi Deauther project is based. On this ine ...more

Hacking Wi-Fi is a lot easier than most people think, but the ways of doing so are clustered around a few common techniques most hackers use. With a few simple actions, the average user can go a long way toward defending against the five most common methods of Wi-Fi hacking, w ...more

The widget system on iOS leaves a lot to be desired when compared to Android's offering, but that's not really Apple's fault. The system is there, we just need some good widgets to really get the most out of it, so it's up to developers to create some awesome apps that work wi ...more

If you're just starting out with Android—or smartphones in general, for that matter—there are a lot of little things to learn. One of the first terms you'll likely encounter is "Wi-Fi," which is a wireless internet connection served up by a router in your home, office, or loca ...more

If you're like me, then you've got an incredibly complicated Wi-Fi password with uppercase and lowercase letters, numbers, and special characters. When friends or family come over, it can be really hard to relay the password correctly. Repeating it out loud is usually hit or ...more

iOS 12 has a feature that lets you instantly share saved Wi-Fi passwords with other iPhone users, but it can be finicky when you're sharing with multiple people. Then there's an even more pressing question: How do you share your password with Android users? Thankfully, there's ...more

No one is safe anymore, it seems. Google's Project Zero has just uncovered how easy it is for attackers to target your phone's Wi-Fi chip, which is essentially a mini processor for Wi-Fi that detects and processes networks. Most iPhone and Android phones run on a Broadcom Wi- ...more

A relay is an electrical component that works like a light switch, where it's turned on or off with an electrical signal. By connecting a relay to a Wi-Fi connected microcontroller like an ESP8266, you can build a connected switch that can be controlled from the web browser of ...more

If you work at a large office or have a multi-story home, you're probably familiar with Wi-Fi range extenders. Since one hotspot isn't always enough to cover an entire area, Wi-Fi repeaters are generally set up in larger areas to capture and rebroadcast the original signal. U ...more

One of the biggest causes of smartphone battery drain is the mobile data connection—particularly if you live in an area with poor reception. But, chances are, you don't actually need this connection most of the time, because you're probably connected to Wi-Fi for a good chunk ...more

The Pixel and Pixel XL come with an awesome data-saving feature called Wi-Fi Assistant that automatically connects to open internet hotspots, then creates a secure VPN on your device to keep your data safe. When you're connected to a Wi-Fi network, internet speeds are general ...more

For years, Android has provided easy ways to view all the Wi-Fi networks you connected to in the past, and you can even see the saved passwords in plain text. With iOS 16, Apple finally gave us a similar way to view saved Wi-Fi hotspots, copy their passwords, and remove old on ...more

You can find hundreds, if not thousands, of complaints about Wi-Fi performance issues with iOS 8 across all Apple devices. Even I had the issue on my iPhone 5S. The Wi-Fi connection on my router was strong, but I was getting extremely slow speeds. So slow, that I would resort ...more

Arduino is a language that's easy to learn and supported on many incredibly low-cost devices, two of which are the $2 Digispark and a $3 ESP8266-based board. We can program these devices in Arduino to hijack the Wi-Fi data connection of any unlocked macOS computer in seconds, ...more

Thanks to Verizon Wireless, I pay over $220 a month for my phone bill. It's just me on the plan—no family members, and it's not even unlimited data. So, when I receive that data alert message telling me that I've used up 90% of my plan and that I've still got a few more week u ...more

If you're anything like me, every time you travel you end up in a desperate panic for a decent W-Fi connection. Whether you want to post your photos, research the best beaches, or kill time during an overnight layover, a hotel's Wi-Fi quality is of paramount significance in ma ...more

Null Byte users have often requested video content, but the question has always been what format would best serve our community. This week, we partnered with Null Space Labs, a hackerspace in Los Angeles, to test the waters by hosting a series of talks on ethical hacking for s ...more

Let's say you gave your Wi-Fi password to your neighbor a while back, under the assumption that they'd only use it while they were at your house sharing stuff via Chromecast. But now, your connection is slower than it normally should be, and you have this sneaking suspicion th ...more

The most common Wi-Fi jamming attacks leverage deauthentication and disassociation packets to attack networks. This allows a low-cost ESP8266-based device programmed in Arduino to detect and classify Wi-Fi denial-of-service attacks by lighting a different color LED for each ty ...more

Depending on who you ask, internet connectivity should be a basic human right. With Google recently embarking on a project to provide internet capabilities to remote corners of the world using balloons and satellites while Facebook attempts to do the same with unmanned drones, ...more

The Deauther Watch by Travis Lin is the physical manifestation of the Wi-Fi Deauther project by Spacehuhn, and it's designed to let you operate the Deauther project right from your wrist without needing a computer. That's pretty cool if you want to do all the interesting thing ...more

Unless you have unlimited cellular data, you probably connect your iPhone to every Wi-Fi network you come across. It could be a local coffee shop, public library, or just a friend's place. Wherever it is, you'll need to ask for the access point's password if it's a secured net ...more

Have you ever gone to a friend's house and not asked for the Wi-Fi password? Probably not, and the same can likely be said of any friends that come over to your place. But the actual act of sharing Wi-Fi passwords is still incredibly clunky, and it's particularly hard if you h ...more

An awesome new feature appeared in iOS 11 that lets you easily share your Wi-Fi password to anyone else with iOS 11 or higher just by tapping "Share Password" on your iPhone when they try to connect to the same network. However, if your friend is using Android or another mobil ...more

This may not matter to you if you only FaceTime from your iPhone occasionally, but if you're FaceTiming every day on a limited data plan from your cellular provider, you're going to want to conserve as much data as possible by making sure that you're connected to Wi-Fi only — ...more

The Samsung Galaxy S III is undoubtedly a great phone, but still has some minor issues to work out. One involves buggy Wi-Fi roaming, where the Galaxy S3's Wi-Fi signal strength will increase when getting closer to a Wi-Fi access point, but then completely disappears when att ...more