Do-an

Google's next-gen cellular carrier, Google Fi, which replaces Project Fi, is making waves across the mobile industry. With super-cheap plans starting at only $20 and the ability to connect to millions of Wi-Fi hotspots across the globe, it's tempting many users to make the swi ...more

Hey, hackers! Now that you've hacked/owned your first "box" in my last article, let's look a little closer at another great feature of Metasploit, the Meterpreter, and then let’s move on to hacking a Linux system and using the Meterpreter to control and own it. Why Meterprete ...more

Using only a circle and straight lines, it's possible to create various aesthetic curves that combine both art and mathematics. The geometry behind the concentric circle, ellipse, and cardioid dates back centuries and is easily found in the world around us. From an archery tar ...more

Since the day of the Xbox 360 release, storage space for the device has been overpriced beyond belief. OEM 250GB HDD models still cost $110 USD! A 250GB hard drive should not destroy my wallet, Microsoft. Storage space, especially on HDDs, is cheap. You can buy a removable 2TB ...more

The new Jelly Bean is out in the wild, but if you've installed Android 4.3 from stock, you'll notice rooting is now not possible. If you miss the ad-blocking capabilities of AdBlock Plus, how Seeder made apps snappier, or the convenience of backing up with Titanium Backup, you ...more

If you want to follow Null Byte tutorials and try out Kali Linux, the Raspberry Pi is a perfect way to start. In 2018, the Raspberry Pi 3 Model B+ was released featuring a better CPU, Wi-Fi, Bluetooth, and Ethernet built in. Our recommended Kali Pi kit for beginners learning e ...more

When you delete a file, Android doesn't actually remove it from your storage drive—instead, it simply marks that space as empty and pretends the file doesn't exist anymore. But deep down inside, the file that you originally wrote to that location is still physically there, at ...more

Before your carrier got its grubby little hands on your Galaxy S5, there was less bloatware installed and more functionality offered by the Samsung flagship device. Case in point: the GS5 that Samsung designed was capable of recording phone calls, yet the one that you own prob ...more

A lot of different places have computers with controls on them for several things; some have controls for installing software, some for running software, blocking websites, opening certain file formats, etc. Obviously, not all places use the same methods, and not all of the m ...more

2 + 2 = 4. That's about as much math as I can handle without a calculator on a daily basis. I literally hate doing math more than anything in life, mostly because I'm not good at it—and I hate doing things I'm not good at. So, when I come across a cool math trick online that ...more

Back in its infancy, the App Store was filled with text bomb apps that allowed users to send a barrage of text messages to friends, family, and foes. It was a fun way to annoy people, but Apple quickly scrubbed the apps because of technical issues. Although text bombs are stil ...more

After my hard drive crashed recently, I lost everything. Old college essays, half-written stories, short films, and most importantly, all of the photos that I had saved from the past five years... all gone. Since I didn't back up my hard drive (stupid mistake #1), or upload p ...more

When you take a screenshot on your iPhone, it's automatically saved to your Photos app. You can ignore the screenshot thumbnail or swipe it away, but you shouldn't. If you open the screenshot editor instead, you'll gain access to your iPhone's most useful screen capture tool: ...more

SCRABBLE. To some it's just a game, but to me it's life or death. Well, not really, but it feels that way anyway. On a normal weekend, a game becomes much like Jon Thomas' "friendly game of death Scrabble." Video: . When I'm playing a game of SCRABBLE, my friends are not frien ...more

If you're a fan of sleek, powerful computers and highly-customizable smartphones, then you probably own a Mac and an Android device. But the downside to this glorious hardware pairing is that it can be hard to get the software on the two devices to play nice together. Previou ...more

The sheer variety of Android devices on the market is staggering—one report suggests there are well over 24,000 distinct phones and tablets floating around out there. When you consider that each manufacturer adds a few tweaks to the Android code base here and there, that makes ...more

While many people may use Bluetooth every day, the majority don't know how it works or that it can be hacked. Bluetooth hacking gives a clear window into the world of the target. Nearly every device has Bluetooth capabilities, and people store a great deal of personal info on ...more

Considering that Google makes Android, it's rather strange that the operating system doesn't have a baked-in solution for doing a reverse image search. Sure, you can long-press pictures in Chrome to search for other instances of a photo, but it's not possible with pictures you ...more

You can send and receive money from your iPhone using Venmo, Square Cash, Facebook Messenger, and even Snapchat. There's also Zelle, which offers quick-pay solutions in major banking apps such as Bank of America, Chase, and Wells Fargo. However, Apple has a built-in system to ...more

Realizing there's no voice to guide you while using your iPhone to navigate can be problematic, causing serious headaches from getting lost to unscheduled pit stops or worse. And while this problem can hit Apple Maps like other navigation apps out there, there are a number of ...more

You wouldn't send your GPS coordinates to a completely random stranger just because he or she asked you for it, right? So why are you constantly sharing your location (and other data) to apps on a daily basis? While there are many apps that need your location in order to func ...more

When joining a new network, computers use the Address Resolution Protocol to discover the MAC address of other devices on the same network. A hacker can take advantage of ARP messages to silently discover the MAC and IP address of network devices or actively scan the network w ...more

Hermès is all about giving out the free goodies—this week I posted a tutorial for making your own papercraft "Kelly bag" and for years now they've created "knotting cards", a set of DIY illustrations presenting different ways to wear their iconic scarves. Typically list headl ...more

It just keeps getting harder to enjoy all of the benefits of root without sacrificing features. Thanks to SafetyNet, we've lost the ability to use Android Pay, Pokémon GO, and even Snapchat to an extent. But the most recent news on this front is perhaps worst of all: Netflix h ...more

So you want to know what that person who is always on their phone is up to? If you're on the same Wi-Fi network, it's as simple as opening Wireshark and configuring a few settings. We'll use the tool to decrypt WPA2 network traffic so we can spy on which applications a phone i ...more

Apple definitely wasn't first to the widget game, but any iPhone running iOS 8 or higher can add widgets to their Today View found via a swipe down from the top of the screen when on the home screen or in any app. There's even access to widgets on the lock screen via the same ...more

The first time a friend or family member asks if they can borrow your phone or tablet, you probably just hand it over without a second thought. But the second, third, and fourth times? Now it's starting to become a habit, and something probably needs to be done about it. Luck ...more

There are several reasons that you might want to restore the factory firmware on your device—maybe you need to send your phone back for warranty purposes, or perhaps you're getting ready to accept an over-the-air update and need to unroot first. In some cases, reverting to the ...more

When you tap on a URL link in a text, email, or wherever, your iPhone's default reaction will be to open it up in Safari, and there's no way to change this in the settings. However, there is a way you can work around this to open up links in Chrome instead. Even if you acciden ...more

Reverse shells are useful for issuing commands to a remote client when the client is behind something such as a NAT. You might say, "But can't a normal shell or simple SSH tunnel do the same thing?". No, it can't. All over the internet I see a lot of confusion regarding the di ...more

I actually have a lot of shoes, and putting them on the floor in my closet just makes for a very large mess, and makes it harder to find a matching pair. So, this simple yet cool DIY shoe storage is actually something I could benefit from doing. This project shouldn't be too d ...more

If you're as addicted to TikTok as much as I am, you probably heard about the app's alleged, hidden views counter, which can show you how many TikToks you've watched on your account. Most people who look at their counters are horrified to see that they've watched hundreds of m ...more

Google's new Pixel phones are shaking things up in the world of Android, as the Nexus line is no more, and the Mountain View tech giant has now become a smartphone OEM. The long-term impact of these moves remains to be seen, but we already know that Google, the manufacturer, w ...more

We've gotten pretty close to a Google Experience before, and even played around with the actual Google Play Edition build. However, the devs over at XDA have a much better solution: actually converting your HTC One into a complete factory-fresh Google Play Edition. Since most ...more

Samsung has been on a tear with its flagship devices since the release of the Galaxy S6; The S6 edge, the Note 5, and this year's Galaxy S7 models have all been met with universal acclaim, and even the staunchest of critics have almost nothing negative to say. Almost. Critics ...more

A clean slate may be just what your Apple Watch needs. Whether you want to start fresh, wipe all your personal data, fix buggy issues, let someone borrow it, sell it, or get back in after you forgot your passcode, resetting the Watch back to factory settings is pretty simple, ...more

A custom recovery is a very powerful tool. You can flash ZIPs that modify your Android device in ways that not even root can accomplish, and of course you can use it to install custom ROMs. But when you're applying all of these cool mods, there's always a chance that something ...more

On iPhones, the share sheet is a powerful yet largely underestimated tool. For the uninitiated, the share sheet is the menu that opens whenever you tap the share button (the box with the up-arrow). This menu features sharing options to first and third-party apps, as well as ex ...more

In the past, updating a rooted Samsung Galaxy device has always involved the complicated process of downloading the proper firmware for your variant, installing device drivers, then sideloading the update with Odin. Luckily, though, with the release of the Galaxy S6, Samsung ...more

Since the release of Windows 8, Microsoft has been heavily encouraging users to use Windows with a Microsoft account. According to Microsoft, the main benefit of using a Microsoft account is the ability to sign in and sync your information across various Microsoft devices and ...more

Android has gotten significantly better at handling intrusive ads over the years. Things have gotten to the point to where these nuisances are largely a non-issue for most of us. However, there are still a few ad-laden apps that fall through the cracks — particularly the kind ...more

Say what you want about Samsung's TouchWiz UI being cluttered or overbearing, but one thing you can never complain about is a lack of features. In fact, it's been almost 8 months since I first took my Galaxy S6 Edge out of its box, but I'm still discovering features to this da ...more

Back in the earlier days of Android, you were able to connect your phone to a computer, and it would mount automatically. This meant once the USB connection was made, your internal storage would pop up on the computer and you could go about your business. But recent versions o ...more

Cases and stickers are always great, but they aren't the only way to customize an iPhone. The software on your device is full of customization options, from a better-looking home screen and cooler lock screen wallpapers to app icon changes and a system-wide dark mode. There's ...more

Thanks to Apple's new extensibility features in iOS 8, developers are now able to create extensions for their apps that let you perform actions in notifications, widgets, and in stock Apple apps without having to open up the specific app itself. Check out: The Coolest 33 Feat ...more

Kodi, formerly known as XBMC, is one of the most versatile media players available. With it, you can play virtually any internet and media file in a large variety of formats, and it can be used on practically every single operating system out there, including iOS 10. Kodi, an ...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

If I were to lose access to the entire internet for the rest of my life, one of the websites I would miss the most would have to be Wikipedia. Wikipedia has ended countless arguments, informed me of how old and single some of my favorite actresses are, and helped me brush up o ...more

Fish are delicate, flaky, and can be damn tricky to cook; more often than not, you end up with a hard, dry block of flesh that makes your taste buds sad. And the best ways to cook fish that you know of—c'mon, who doesn't love a fried fish—take way too much effort for you to bo ...more

There's a lot going for the Samsung Galaxy Note 2—smart screen rotation, huge HD display, great rear camera—which makes it an awesome device for reading, watching videos, and taking pics. But all of those luxuries will end up hogging up your internal memory, which is one of th ...more

In case you didn't know, Google has an awesome app that gives you free money to spend on apps, games, movies, books, and virtually anything you can buy on the Google Play Store. The app is called Google Opinion Rewards, and all it asks in exchange for the Play Store credit is ...more

Group messages are great when you want to talk to multiple people at the same time. However, things can get disorderly real fast in the Messages app, especially if the same person is in multiple group conversations. That's where custom group names come in, which helps you make ...more

Navigating and editing text is an essential part of any operating system, and with iOS 13, Apple has made some significant changes. Some things remain the same when working with text, but there are many updates to moving the cursor, scrolling, and selecting, cutting, copying, ...more

Knowing if your meat is cooked properly is both the difference between a delicious meal and an inedible one... and the difference between making your guests sick and keeping them safe. Yes, you can use a thermometer—but not everyone has a reliable gauge, and sometimes you may ...more

Organizing contacts is a bitch, especially on the iPhone. Some contacts will have multiple entries, you can only delete contacts one by one, and certain types of contacts can't be deleted at all. If that isn't enough to make you pull your hair out, then I don't know what will. ...more

Copy and paste keyboard shortcuts are beautiful gifts from the gods, and any website that blocks such an offering can burn in hell. But really, Cmd+C and Cmd+V (Ctrl+C and Ctrl+V for Windows folks) are second nature to most of us, so it's very frustrating when sites like PayPa ...more

Anonymity is something that doesn't exist today. Everything you do in the world is tracked, from the purchases you make to surfing the internet—even taking pictures on your iPhone. Everything you have ever said and done on the internet is still there—somewhere. This is called ...more