Is This Your Card

The biggest hurdle faced when text messaging (besides more convincing lies) is accurately communicating our emotion and tone. Anything we say can be interpreted in various subjective ways by the recipient, and that's why we have emoji—to illustrate what we actually want to say ...more

Blizzard Entertainment, the wildly successful video game developer that brought us World of Warcraft and StarCraft, has finally released their popular trading card game Hearthstone: Heroes of Warcraft to the Android platform. If you've never heard of it, Hearthstone is an off ...more

Welcome back, my budding hackers. So many of you are interested in hacking Wi-Fi that I have decided to revisit my Wi-Fi Hacking series with some updated and more in-depth material. I strongly suggest that you look at some of my earlier posts, such as "Getting Started with Te ...more

Welcome back, my novice hackers! There are SOOOO many ways to hack a system or network, which means you need to think creatively in order to be successful. Many novice hackers focus way too much energy on cracking passwords (which should be a last resort unless you have spec ...more

In case you didn't know, Android has an awesome hidden settings menu called "Developer options" that contains a lot of advanced and unique features. If you've ever come across this menu before, chances are you just dipped in for a minute so that you could enable USB debugging ...more

Apple's newest mobile operating system, iOS 8, is out for the general public, and we've got a rundown on the best new features you can use on your iPad, iPhone, and iPod touch. While there's not a huge visual change as there was from iOS 6 to iOS 7, there's still plenty of coo ...more

Android's flexible operating system allows for lots of customization, and one of the most common ways to add personal flair to your smartphone is to set your own ringtones and notification sounds. On Android this feature is no only supported, but it's actually very simple. Ch ...more

The first question people ask me when they come to my apartment is usually "What's your Wi-Fi password?" While I'm happy to give my friends free access to the internet, it's hard to walk each person through my secure password. Luckily, there's a way to create a QR code that wi ...more

Welcome back, my hacker apprentices! My recent posts here in Null Byte have been very technical in nature, so I thought that I'd have a little fun with this one. Have you ever had an annoying neighbor whose dog barks all night, who has loud parties that keep you awake, or who ...more

You can add a timestamp to any YouTube video in just a few clicks from the desktop website on your computer but not from YouTube's iOS or Android app. Until YouTube adds a "start time" when sharing videos from the mobile app, you'll have to use one of these workarounds on your ...more

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

Unscheduled pit stops go hand in hand with road trips, no matter how well-planned they are. In the past, making a stop due to low fuel or an emergency bathroom break may have snowballed into massive delays when you went off course on your own, but thanks to a feature in Apple ...more

Wouldn't it be nice to just sit at your buddy's house, plug into his network, and see exactly what he's doing? What if it was as easy as that? What makes packet sniffers like Wireshark such potent tools is that a majority of local area networks (LANs) are based on the shared E ...more

While music may not technically be a "universe language," it is the one language listened to by all. There are over 1,500 music genres today—rap, classical, rock, jazz, trap, hip-hop, house, new wave, vaperwave, charred death, nintendocore... and the list goes on. And if you'r ...more

For quite some time, popular messaging apps such WhatsApp and Skype have let you set a profile picture along with a display name to make you more instantly identifiable to loved ones and colleagues. Apple has finally caught up with this fad in iOS 13. That means you can set a ...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

Welcome back, my tenderfoot hackers! A number of you have written me telling me how much you enjoy the Mr. Robot series on USA Network. I am also a huge fan! If you haven't seen it yet, you should. It may be the best show on TV right now. Mr. Robot is about a young man with ...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

A few months ago, iOS 12.1 came out with a handful of useful new features, and iOS 12.2 goes even further. While some of iOS 12.2's new features for iPhone are much welcomed, there are some that we'd be better without. Apple's iOS 12.2 started beta testing on Jan. 4, 2019, an ...more

Got a Samsung Galaxy Note 2 phablet? Sure, it has its problems like any other mobile device, but it's still one of the hottest phablets on the market right now, because, well... it's awesome, right? Still, there are some things that can be tweaked on the Note 2 for a better u ...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

International, T-Mobile, and Verizon customers all share something in common—their carriers provide unlocked Wi-Fi tethering for free. Of course, you still pay for the data used, but they don't charge you extra simply for using your Samsung Galaxy S4 as a wireless hotspot. Ho ...more

The signal bars in your iPhone's status bar are great visual indicators for knowing how good your cellular reception is, but they're not very accurate. Instead of showing the actual amount of signal you're receiving, they just give you a general range, and you'll have no idea ...more

Google Play Music is one of the best cloud music services out there. Without ever paying a dime, you can upload as many as 20,000 songs to Google's servers, then use the app on your smartphone to stream these songs without taking up any of your storage space. And if you're wil ...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

A burner number isn't just for criminals and cheating spouses. In this digital world, with many of our interactions being conducted online, a throwaway phone number acts as a buffer — it lets you enjoy the web without having to give out your personal information, such as real ...more

Welcome back, my greenhorn hackers! In a previous tutorial on hacking databases, I showed you how to find online databases and then how to enumerate the databases, tables, and columns. In this guide, we'll now exfiltrate, extract, remove—whatever term you prefer—the data from ...more

Android comprises an entire ecosystem of apps, games, functions, and features, so it would only make sense that it has its own lexicon. Words, phrases, and acronyms that didn't exist ten years ago are now used in an off-the-cuff style by developers and support technicians acro ...more

An average of 140,000 hard drives crash in the United States each week, according to online backup service Mozy. Additionally, 70 percent of Americans have lost a laptop, smartphone, or tablet, and the average person now loses 1.24 devices each year—less than half of which are ...more

There are many ways to attack a Wi-Fi network. The type of encryption, manufacturer settings, and the number of clients connected all dictate how easy a target is to attack and what method would work best. Wifite2 is a powerful tool that automates Wi-Fi hacking, allowing you t ...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

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

Your iPhone's built-in Voice Memos app is a great way to record the audio around you, whether it be conversations, lectures, meetings, interviews, discussions, chitchat, gossip, or other kinds of talks. But if your goal is to record audio on the down-low without being noticed, ...more

Valentine's Day is a day for love, but it also just happens to be the time when every flower shop in town hikes up their prices. Chocolates are still relatively cheap, but I never understood why you have to give the gift of bigger love handles when something more creative gets ...more

Welcome to Math Craft World! This community is dedicated to the exploration of mathematically inspired art and architecture through projects, community submissions, and inspirational posts related to the topic at hand. Every week, there will be approximately four posts accordi ...more

It's no surprise that Costco has great deals, and that's why millions pay annual fees for the privilege to shop in their wholesale outlets. Just take their hotdog and soda combo for $1.50—it's the same price now as it was 27 years ago. The best thing about Costco is that you ...more

It's finally out. After months of testing, iOS 13 is available to install on your iPhone, which means over 200+ new features you can use right now. The update, released on Sept. 19, can be installed over the air or from a restore image using iTunes in macOS Mojave and older or ...more

Welcome back, my neophyte hackers! As part of my series on Wi-Fi hacking, I want to next look at denial-of-service (DoS) attacks, and DoSing a wireless access point (AP). There are a variety of ways to do this, but in this tutorial we'll be sending repeated deauthentication f ...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

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

Welcome back, my rookie hackers! A short while back, I began a new series on database hacking, and now it's time to continue and extend your education in that field. As you know, the database contains all of the most valuable info for the hacker, including personally identifi ...more

There's a common bug that affects many Samsung Galaxy S5 users, myself included. The software that drives the fingerprint sensor can randomly fail to load, leaving you without one of the most unique features of your beloved smartphone. When this happens, any attempts to use o ...more

Have you ever been away from home or on holiday and noticed an open network connection? FREE INTERNET! But then you find out that every search or page redirects you to an "enter password" or "signup here" page. Well, there are ways around this. In this article, I'll show you ...more

You don't need to be a hardcore modder to know the importance of booting your S10 into either recovery mode or download mode. In fact, these pre-boot menus are something everyone should be familiar with. The former can help you get out of soft bricks, while the latter lets you ...more

When it comes to modding Android, root gets all the glory, but a good custom recovery is really the only thing you need. Not only does it allow you to back up your entire phone, install flashable ZIPs, and load custom ROMs like LineageOS, but a custom recovery will even let yo ...more

In most cases, when the free trial of software is over, that's it—you're left to either pay for it or find an alternative. But what happens if the trial wasn't long enough to sell you on the product? It'd be nice if there was a way to test it out again without having to whip o ...more

When you want to install a new tool or game on your iPhone, you go straight to the App Store to do so — but it's not the only place you can get apps from. Some developers use back alleys to get their apps to you, while others can trick you into installing them without giving i ...more

The first film I saw without any parental supervision was Pokémon: The First Movie. At the time, there wasn't a 5th grader around who didn't know who Pikachu was or what Pokémon was all about. The franchise was one of the most popular video games of all time, right after Mario ...more

Wi-Fi tools keep getting more and more accessible to beginners, and the LAZY script is a framework of serious penetration tools that can be explored easily from within it. This powerful and simple tool can be used for everything from installing new add-ons to grabbing a WPA ha ...more

The Home button on an iPhone does a lot. That's not necessarily news for anyone who's ever owned an iPhone with a Home button, but what you might not know is that it's capable of so much beyond the standard everyday functions. So if you have an iPhone 7, 8, or the new SE model ...more

Your home has walls for privacy, but Wi-Fi signals passing through them and can be detected up to a mile away with a directional Wi-Fi antenna and a direct line of sight. An amazing amount of information can be learned from this data, including when residents come and go, the ...more

For new Android users, rooting an Android phone can often be an intimidating process, especially since there are so many different ways to gain root access, depending on your model and firmware version. I've previously covered a way of doing it for the AT&T version of the Sam ...more

There are many tools out there for Wi-Fi hacking, but few are as integrated and well-rounded as Bettercap. Thanks to an impressively simple interface that works even over SSH, it's easy to access many of the most powerful Wi-Fi attacks available from anywhere. To capture hands ...more

Just because a problem is small or superficial doesn't mean it can't annoy the living crap out of you. Others may think you're overreacting, or even have the audacity to roll their eyes, but you're in your own personal hell. First-world problems, white whines—call it whatever ...more

In general, smartphones and cars don't mix—but this is mainly because you have to take your eyes off the road to poke around on your handheld gadget. In reality, the only difference between your smartphone and your car's FHWA-approved infotainment system is that the latter is ...more

Users on Android could customize their app icons for some time, but it's a relatively new addition to the iPhone. You could change icons since iOS 12, but it really took off in iOS 14 and got even better in iOS 14.3. Still, it's not as easy as on Android, and you'll see a noti ...more

I love making beeps and bloops with the Arduino pitches library, but sometimes archaic 8-bit tunes just don't cut it. Whether you want your robot to terrify your enemies with a demonic synthetic voice, you just need a pocket boom box on the go, or you want to a miniature guita ...more

It's one hell of a device, but the Samsung Galaxy S5 is still susceptible to the many hazards that other smartphones are prone to: theft, cracked screens, poor battery life, and particularly, overheating. If your Galaxy S5 is burning a hole in your pocket—and it's not from yo ...more