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If you're ever in a situation where you need to take a peek at the wireless spectrum, whether it's for Bluetooth or Wi-Fi devices, there's a fascinating Python 3-based tool called Sparrow-wifi you should check out. It's cross-platform, easy to use, and has an impressive GUI th ...more

Google is known for merging older products into a new one's ecosystem for ease of use. The transition can take time, and that's the case with the old Google Wifi system now that Nest Wifi is out. Google is working on phasing out the dedicated Google Wifi app in favor of using ...more

There are plenty of ways to speed up your wireless network at home, some as simple as changing the placement of your router. While you can always buy equipment to boost your signal, there are plenty of cheap or free DIY solutions you can try as well. Danilo Larizza shares a n ...more

Public Wi-Fi networks that have a captive portal sign-in screen can sometimes be broken on Android. This seems to happen randomly and on some devices more than others. You'll get the "Sign into Wi-Fi network" notification, but it just doesn't work. If that's happening to you, ...more

The latest Star Wars movie, Solo: A Star Wars Story, has grossed almost $350 million worldwide during its first month in theaters. This is a good opportunity to discuss how hackers can use media hype (in this case, Hollywood movie hype) to disarm an unsuspecting Windows user i ...more

One UI has an exciting privacy feature that lets you lock apps, photos, videos, and files on your Galaxy device behind Samsung's defense-grade Knox security platform. Only you can unlock it using a pattern, PIN, or passcode, or with biometrics like fingerprint and iris locks. ...more

Google recently released a new mesh router known as Nest Wifi. The updated and rebranded Google Wifi brought many improvements, such as faster processing power and an increased level of wireless security called WPA3. But while it's not enabled by default, you can still get the ...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

In October of 2017, Mathy Vanhoef released "Key Reinstallation Attacks: Forcing Nonce Reuse in WPA2." This paper demonstrates a way to decrypt traffic on practically any WPA2 network, the most commonly used form of wireless security (seeing as all other forms of Wi-Fi encrypti ...more

Arcades have long faded away from popularity, but their legacy is being kept alive thanks to emulators and the avid fans who grew up loading quarters into all of those coin-op games. Although nothing beats an actual arcade environment, my favorite emulator from the early 2000s ...more

When you need a file on your Mac as soon as possible, you usually have to get your MacBook or hop on your iMac, Mac mini, Mac Pro, or Mac Studio. But that's too much work if you're in bed, lying on the couch, or outside in the fresh air. Why even bother when you can access tha ...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

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

With just two microcontrollers soldered together, you can inject keystrokes into a computer from a smartphone. After building and programming the device, you plug it into a desktop or laptop, access it over a smartphone, and inject keystrokes as you would with a USB Rubber Duc ...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

In the case of Apple Watch v. Fitbit, the winner comes down to the judge at hand. Apple currently offers two smartwatches — the Series 5 and the Series 3 — while Fitbit offers three models — the Fitbit Versa 2, Fitbit Ionic, and Fitbit Versa Lite. Whatever your assumptions abo ...more

Imagine a scenario where you're nowhere near your iPhone, but it's on loud, and you really need to silence it. An alarm may be blaring, notifications could be spitting out sounds left and right, and calls may be ringing. Things can get annoying real quick for whoever's around ...more

What appears to be an ordinary MP4 may have been designed by an attacker to compromise your Linux Mint operating system. Opening the file will indeed play the intended video, but it will also silently create a connection to the attacker's system. Understanding the Attack Whi ...more

If you've wanted to get into Wi-Fi hacking, you might have noticed that it can be pretty challenging to find a safe and legal target to hack. But you can easily create your own test network using a single ESP8266-based microcontroller like the D1 Mini. Our goal is to crack a ...more

If you exceed your monthly mobile data limit, your cell phone bill can skyrocket pretty quickly. This is why a lot of people vigilantly monitor internet usage and even uninstall apps that use too much background data. Don't Miss: 10 Tricks for Conserving Data on Android Up u ...more

If you've ever wanted to track down the source of a Wi-Fi transmission, doing so can be relatively easy with the right equipment. Using a directional Wi-Fi antenna and Wireshark, we can create a display filter to target any device in range to plot the signal strength on a gra ...more

If you're watching videos over Wi-Fi on your iPad, iPhone, or iPod touch, iOS 10 lets you adjust the quality for when you want to save data or need help watching a movie or TV show on a poor connection. To do so, open up the Settings app and scroll down to Videos, then select ...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

Free stuff is pretty cool. Free internet is even cooler—and free internet that is actually free is the coolest. If you would rather avoid sitting in a Starbucks and having to listen to hipsters discuss the proper length of cropped jeans, then this should be of interest. Freed ...more

If you're using a VPN app to block ads or secure your Galaxy's internet connection, Samsung has decided you need yet another non-dismissible notification from One UI to tell you about it. Not just a status bar indicator like Bluetooth or Wi-Fi, but a full-size alert that can't ...more

In many urban areas, GPS doesn't work well. Buildings reflect GPS signals on themselves to create a confusing mess for phones to sort out. As a result, most modern devices determine their location using a blend of techniques, including nearby Wi-Fi networks. By using SkyLift t ...more

One of the first things most people ask for when staying with a friend is the password to the Wi-Fi network. Even if you trust your friends to the end of the earth, a super secure password can be a pain to share with them, especially if it's just a bunch of random characters. ...more

Google's new Project Fi cellular carrier has been making waves across the mobile industry, so we decided to put it to the test against T-Mobile, one of the more established networks. For the actual testing, we slapped a SIM card from each carrier into two identical Pixel XL ph ...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

After exploiting a vulnerable target, scooping up a victim's credentials is a high priority for hackers, since most people reuse passwords. Those credentials can get hackers deeper into a network or other accounts, but digging through the system by hand to find them is difficu ...more

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

Not all weather sources are equal. When you're looking at the forecast, you hope that it's at least semi-accurate so you can plan the week and days ahead, but many sources are unreliable. And with the famous Dark Sky API shutting down on March 31, 2023, you'll need an alternat ...more

Sniffing packets over a network is an easy way for hackers to gather information on a target without needing to do much work. But doing so can be risky if sniffing packets on an untrusted network because a payload within the packets being captured could be executed on your sys ...more

Once you connect all of your devices to your Wi-Fi router at home, you'll never need that long, complicated Wi-Fi password ever again, right? Unfortunately, life isn't that easy. If you need to reset the network settings on your phone or tablet, or have a friend or family mem ...more

When you don't have a steady cellular signal or immediate Wi-Fi access but need to communicate with others around you, you can set up an off-the-grid voice communications network using a Raspberry Pi and an Android app. There are apps such as Bridgefy that will create a mesh ...more

For the most part, Google Wifi and Nest Wifi systems take care of themselves. But there are still a few manual features that might come in handy, like being able to check on network activity to see which devices are using the most bandwidth when your connection gets bogged dow ...more

If you're on a limited data plan, you no doubt set Google Photos to only back up over Wi-Fi on your Android device. In recent months, however, there have been many complaints that Photos won't actually back up your pictures when you get back home and connect to your network. T ...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

Your iPhone and Mac can speak to each other in many ways, allowing you to start work on one device and seamlessly switch to the other, share clipboards between the two, and pick up phone calls and answer text messages on both. The compatibility is incredible, but there's even ...more

Relentless in its fury, the iOS text messaging exploit that exploded onto the scene late last week seems to do more damage than initially reported. Used to reboot devices and crash the Messages app, the string of text can also be used to crash third-party apps such as Instagr ...more

Since the release of the T-Mobile G1, the Play Store has been flooded with apps that claim to improve performance by clearing cache and storage. These apps are typically useless, rarely providing more than a temporary fix which Android undoes immediately. As Android has contin ...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

Despite Samsung's long running support for Wi-Fi Direct, most users still struggle to transfer files between their devices. Whereas Apple has AirDrop, Samsung's previous solution wasn't so obvious. With the Galaxy S20 and Galaxy Z Flip, Samsung hopes to correct this with "Quic ...more

Android Debug Bridge, or ADB for short, is a very powerful utility that can remotely execute commands on your Android device. This remote terminal interface, however, is not very "remote" at all. You have to be tied down to your computer to use it, since a USB cable is normall ...more

A single movie download can consume a good ten percent of the storage on your Nexus 7 tablet, unless you went all crazy and opted for the 32GB model. Even then you're bound to run out of space fast, especially if you're like me and have tons of media files you want readily acc ...more

I spend a lot of time helping friends and family with their tech problems, like clearing a browser's cache, scanning a Windows computer for malware, and speeding up a Mac. However, the issue I deal with most frequently revolves around forgotten network passwords. Usually, the ...more

Want to search through your Samsung Galaxy S III or other Android smartphone using only a web browser? Thanks to XDA-Developers member Metal Droid, you can now access and download anything from your phone through any browser on your computer using DroidXPlorer. With DroidXPlo ...more

In the previous article, we learned how to set up our VPS, configure our PHP server, and developed an in-depth understanding of how the payload works. With all that taken care of, we can get into disguising our payload to appear as an image and crafting the note in the greetin ...more

Almost 20% of the US population (about 60 million Americans) live in rural areas where mobile reception is weak or nonexistent. In times of crisis, these Americans can't rely on the internet to communicate with loved ones or receive new information. This is why being able to i ...more

With its awesomely enormous size, the Samsung Galaxy Note 2 can at times be difficult to navigate when you only have one hand free—especially if you have really small hands. To make the Note 2 (and other large Android devices) easier to navigate, Paranoid Android (and later C ...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