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There's a lot more to your iPhone's dialer screen than just entering phone numbers and hitting the green call button. It's not very obvious, but there are secret codes that you can enter on the dialer to find out information about your device, help troubleshoot issues, and mas ...more

Facebook really wants your phone number, nagging you for one as soon as you join. This isn't all bad since it can help secure your account with two-factor authentication. On the flipside, this makes it easy to reveal the private phone numbers of virtually anyone on Facebook, i ...more

Spoofed phone calls originate from one source that's disguising its phone number as a different one, and you probably get these calls all the time. Maybe they're numbers from your local area code or for prominent businesses, but the callers are just hijacking those digits to f ...more

Welcome back, my novice hackers! Episode 6 of Mr. Robot has come and gone and, as usual, it did not disappoint. Once again, our hero, Elliot, has used his extraordinary intellect and hacking skills to awe and inspire us. In this episode, Elliot is being blackmailed by the ru ...more

There's actually more to the dialer screen on your OnePlus than meets the eye. Besides its obvious purpose of calling people, there's a vast array of secret codes that you can input to troubleshoot your device, in addition to revealing important information, making anonymous p ...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

It used to be that you only had to worry about maids rummaging through your belongings in your locked hotel room. But now anyone with 50 bucks of hardware and some programming skills can hack their way in—as long as it's locked by keycard. At the Black Hat security conference ...more

In this series, I'll be exploring electromagnetic weapons, how to build them, their function and application to the future, and the amazing possibilities electromagnetism has to offer. First, the electromagnetic pulse generator, or EMP. You've probably heard of these before, a ...more

In this article, I'll show you how to build a coil gun. A coil gun is a device that fires magnetic projectiles at high velocities, using electricity. Coil guns require no explosive propellant, therefor can be fired an infinite amount of time, providing that there is ammunition ...more

In the following video, I demonstrate how to create a device capable of charging the body of anyone who wears it with static electricity, allowing a powerful shock to be discharged into anything that is touched. This grants the wearer the ability to do some pretty amazing thin ...more

In this article, I'll show you how to build a simplistic circuit to generate negative ions. Negative ions have been known to contribute to fresher air, happier mood, and general health benefits. However, they also look amazing in the dark (check out the photos below, purple pl ...more

One of the best things about Christopher Nolan's Batman trilogy is how realistic he makes the caped crusader feel. Unlike the Joel Schumacher or even the Tim Burton versions, Nolan's world seems grounded in some level of scientific fact. But just how close is science to actual ...more

SMB (Server Message Block) is a protocol that allows resources on the same network to share files, browse the network, and print over the network. It was initially used on Windows, but Unix systems can use SMB through Samba. Today, we will be using a tool called Enum4linux to ...more

Ethylene is an invisible, odorless, naturally occurring gas that aids in the ripening process of fruit. As a fruit produces more ethylene, it begins to create enzymes which help break down cell walls and starches, making the fruit softer and sweeter over time. If it weren't fo ...more

It's been a while when the major web browsers first introduced HTTP Strict Transport Security, which made it more difficult to carry Man In The Middle (MITM) attacks (except IE, as always, which will support HSTS since Windows 10, surprised?). SSLStrip and the HSTS Chronicles ...more

Google Voice has a hidden feature that lets you record any phone call you're participating in, and unlike other apps, it doesn't cost a dime. When it comes to recording phone conversations, you may think the worst and associate it with something shady like obsessive exes and ...more

An incredible amount of devices use Bluetooth or Bluetooth Low Energy to communicate. These devices rarely have their radios switched off, and in some cases, are deliberately used as trackers for lost items. While Bluetooth devices support MAC address randomization, many manuf ...more

In the recent hit movie Furious 7, the storyline revolves around the acquisition of a hacking system known as "God's Eye" that is capable of finding and tracking anyone in real time. Both the U.S. spy agencies and an adversarial spy agency (it's not clear who the adversary is, ...more

A couple of months ago at the Black Hat security conference, hacker Cody Brocious gave the hotel industry a nasty surprise when he figured out how to hack the locks made by Onity that are used in millions of hotels worldwide. The reason his hack is so impressive is because it ...more

As some of you Mad Science readers will remember, we recently covered the separation of water into hydrogen and oxygen using electrolysis. Passing a current through water can rend it apart, but we can also recombine that oxygen and hydrogen to make electricity! This is the pri ...more

Video: . Recycle your hard drive into a hidden flash memory device that only you know how to turn on and use in secret. This DIY hack project allows you to recycle your broken hard drives back to life and turn them into something useful. So far, this project has several funct ...more

Injustice: Gods Among Us is one of the most popular games to come out over the last couple of years. It was a hit on video game consoles, and it's got a solid 4.5 rating on both Google Play and the iOS App Store, with almost 2 million people rating the game combined. The game ...more

It's already Halloween and the night is fast approaching. You swore to yourself last year that you wouldn't wait until the last minute again for a Halloween costume, yet here you are on Samhain without a costume… again. All of the costume shops are sure to be crammed with last ...more

If you've jumped on board HBO Max to watch more than just HBO's content, such as DC films, Looney Tunes, Turner Classic Movies, Cartoon Network, and movies from Warner Bros., there is a downside to HBO's improved service. Namely, you cannot use it on all of your devices yet. T ...more

So the new iPhones have arrived. Like last year, Apple released three iPhones in three different sizes that vary in price and specs. There's the base model iPhone 11, and then there are the real deal, premium models, the iPhone 11 Pro and Pro Max. The iPhone 11 Pro and 11 Pro ...more

Building a DIY Alarm System: The Concept So, you want to protect your property, or maybe a room, car, or even your backyard. The concept of an alarm system is to notify the "alarm administrator" that there is an intruder entering the previously designated boundaries. The trig ...more

In 2009, 4G LTE networks rolled out in Stockholm and Oslo, replacing 3G as a better upgrade to the mobile data technology that gives us the broadband speeds we have on our mobile devices. Over a decade later, and we have the latest, next-generation wireless network technology ...more

There are many impressive features in the new iOS 11 for iPhones, and the Maps app got a lot of love from Apple. This means it's finally about time you stop relying on Google Maps for all of your navigation needs, since Apple Maps is not only more accurate than it used to be, ...more

With the mass arrests of 25 anons in Europe and South America, and the rumors of an FBI sweep on the east coast of America floating around, times look dicey for hackers. Over the past few days, a lot of questions have been posed to me about removing sensitive data from hard dr ...more

Hello, Null Byte! Mkilic here. I doubt anyone knows I even exist on Null Byte, so hopefully this post will allow me to become more involved in the community and also help me learn even more. This project is somewhat similar to OTW's article here, and pry0cc's here, in which b ...more

The original iPhone SE was, for some, the perfect iPhone. It brought back the popular one-handed form factor of the iPhone 5 but packed in the internals of the then-new iPhone 6S. Now, the second-generation iPhone SE is here for 2020, but can it live up to what made the first- ...more

Most of us have traded our desktop systems for laptops, tablets, and mobile devices, meaning there's a lot of outdated hardware sitting in attics. Want to give your old computer a new purpose? Matthew Chappee turned his iMac G4 into an HDTV using the guide by Dremel Junkie. On ...more

For over 37 years, Apple has been using the same "bitten" apple as their company logo. Sure, it's looked slightly different over the last couple of decades, from rainbow stripes to monochromatic colors, but its shape has change very little. Since I'm constantly applying new t ...more

Three new iPhones means you have to make a choice: Do you go with the smaller iPhone XS, the larger iPhone XS Max, or the cheaper iPhone XR? There's lots to like about each model, but if you want to make an informed decision, it's time to learn what each has to offer. Here's w ...more

Hand made air conditioner made of a foam lunch box, 5 volt DC fan, 4 AAA rechargeable batteries, and some ice. This homemade AC can run on batteries and you can plug directly into any USB port. Video: .

Usually when a hacker takes control of a system, they use it for a good purpose (on their end, anyway). But some hackers have made jokes or pranks with their hacks. Here is a list of the top of them... AC/DC at the Power Plant When some hackers took control of a power plant, ...more

Apple has four iPhone models for the remaining months of 2020, but the most impressive ones are the iPhone 12 Pro and iPhone 12 Pro Max. While the iPhone 12 and iPhone 12 mini are great smartphones, the "Pro" models offer more advanced features, especially for photographers an ...more

Welcome back, my neophyte hackers! In previous tutorials, we learned how to steal system tokens that we could use to access resources, how to use hashdump to pull password hashes from a local system, and how to grab password hashes from a local system and crack them. In each ...more

The final chapter of Christopher Nolan's Batman trilogy is here, The Dark Knight Rises, and if you're anything like me, it made you want to immediately don a cowl of your own and run around punching criminals. Don't forget though, one of the most awesome aspects of Batman is h ...more

Every time you make a call or send a text, you're giving the recipient your phone number. This can be quite the security vulnerability, opening yourself up to scammers, spammers, and the feds. In this how-to, we'll look at what a burner phone is, why you might want one, and ho ...more

Deep fakes, the art of leveraging artificial intelligence to insert the likeness and/or voice of people into videos they don't otherwise appear in, typically focus on celebrity parodies or political subterfuge. Now, with the Reface app for iOS and Android, you can easily repl ...more

Winter weather always looks so pretty on postcards. A blanket of fluffy white snow, icicles hanging from the trees, little woodland creatures scampering about...it's like a picture straight out of a storybook. But in the real world, after a day or two it usually looks more lik ...more

Apple has some great features aimed at making the lives of globetrotters and mall aficionados significantly easier, such as having detailed floor plans for airports and shopping centers in its native Maps app. With this feature available in Apple Maps, you no longer need to re ...more

Tesla coils are electrically satisfying in so many ways. But what happens when a guitar-playing city coil has a run-in with a backwoods, banjo-playing, inbred coil? A musical duel to the death! Watch these two Tesla coils battle it out as they play Dueling Banjos. Shocking. Ju ...more

It isn't a new gadget, but the EyeClops Mini Projector still makes a great stocking stuffer for Christmas Day. It's great for kids to play with, but for techies— it's sure to be something fun to hack and mod this holiday season. The EyeClops Mini Projector looks more like Wal ...more

Apple's latest iPhone and iPad software, iOS 15.5 and iPadOS 15.5, became available on May 16, so you can download and install it right now if you haven't already. While there aren't as many new features as iOS 15.4 and iPadOS 15.4 had, there are a few big ones in the U.S. you ...more

If you upgrade to an iPhone 12, 12 mini, 12 Pro, or 12 Pro Max, you can take advantage of super-fast 5G speeds, but which 5G network are you actually getting and is it better than the others? Depending on your carrier, you may see 5G, 5G+, 5G UW, or 5G E in the status bar next ...more

Whether you loved or hated the blockbuster hit Joker for its slapdash violence and unflattering portrayal of mental illness, if you have been online lately, you know you can't afford to miss it. If you are in the former camp, you can now show your appreciation using a new fil ...more

Android is all about customization: "Be together. Not the same," as Google's latest ads for the platform put it. Changing your device's boot animation, for instance, is one of the many great ways you can add a touch of personal flair. Up until now, though, boot animation mods ...more

If you've ever been inside of a real laboratory, you probably noticed how expensive the equipment is. You'd never be able to afford even just one of those ultra high-tech machines required to splice genes or split atoms. Even the lesser machines can be prohibitively costly, in ...more

The iPhone XR has touched down alongside the XS and XS Max, and it utilizes tried and tested materials found on the iPhone 8, while being molded in the same vein as the iPhone X. The budget-friendlier flagship comes with its own set of design elements to set it apart from its ...more