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Back in 2010, iOS developer Daniel Amitay developed a camera security app for iPhones that used an unlock screen almost identical to that of the iPhone. The app was removed in mid-2011 (though, it eventually reappeared in early-2013, still available in the iOS App Store today ...more

Downloading YouTube videos for offline use to watch later has always been a problematic endeavor. Dedicated third-party apps don't last long in the App Store, web-based converters aren't very functional on mobile, and rogue apps outside the App Store are tricky to sideload and ...more

When I see the words "free trial," I know I'm probably going to have to whip out my credit card and enter in the number to "not get charged." Then I end up forgetting about the trial and want to kick myself in the ass when I see my statement at the end of the month. In order ...more

While password cracking and WPS setup PIN attacks get a lot of attention, social engineering attacks are by far the fastest way of obtaining a Wi-Fi password. One of the most potent Wi-Fi social engineering attacks is Wifiphisher, a tool that blocks the internet until desperat ...more

If you somehow forgot the pattern, PIN, or password that locks your Android device, you might think you're out of luck and are destined to be locked out forever. These security methods are hard to crack by design, but in many cases, it's not entirely impossible to break into a ...more

When you think of an online music service nowadays, Spotify is probably near the first that come to mind, and for good reason. Being able to create, share, and take all of your playlists anywhere, across all of your devices, is something that I couldn't live without. Unfortuna ...more

If you've ever wondered how software pirates can take software and crack it time and time again, even with security in place, this small series is for you. Even with today's most advanced methods of defeating piracy in place, it is still relatively easy to crack almost any pro ...more

You saw our post on the 18 coolest new features of iOS 7, but now that you've had a chance to play around with your updated iPhone, it's time to lock it down. There are a surprising number of new privacy and security-related issues in iOS 7's default settings, from allowing A ...more

School internet filters serve a valid purpose—they keep students from wandering off into the deep corners of the web while still allowing at least some internet access. But a lot of these restrictions are completely ridiculous, to the point where some school districts block ac ...more

It can be extremely frustrating when you've forgotten the pattern you use to lock your smartphone, and even more so if someone has managed to prank you by changing it. Luckily, there's an easy fix if you know the username and password for the Gmail account you used to set up t ...more

Twitter found a sweet spot with its 160-character limit, but Snapchat sports a social media low of 31 characters, forcing us to condense our ideas into a few short words when typing in picture captions because of their ephemeral nature. While this severely limited amount of wo ...more

Hello partners, first of all I would like to thank all those who have sent me positive feedback about my posts, to say that I'm always willing to learn and teach. I'm also open to answer the appropriate questions. Second i want to say sorry for the series i left in stand by m ...more

The very first text message was sent on December 3rd, 1992 by Neil Papworth, an engineer for Vodafone, and it simply said "Merry Christmas." He may have jumped the gun on the whole Christmas thing, but you trying coming up with the first text message in history! Today, there ...more

Rooting an Android device used to be a nightmarish labyrinth of .zip files and command prompts, confusing seasoned modding veterans and newbies alike. Thankfully, the process has gotten simpler over the years, with various "one-click" rooting tool kits surfacing and working fo ...more

The Raspberry Pi is a credit card-sized computer that can crack Wi-Fi, clone key cards, break into laptops, and even clone an existing Wi-Fi network to trick users into connecting to the Pi instead. It can jam Wi-Fi for blocks, track cell phones, listen in on police scanners, ...more

The lockout feature in iOS 7, which securely locks your device after a few incorrect passcode entries, can be a real pain in the ass sometimes. My friends are jerks and routinely lock me out of my iPhone for entertainment, and my poor mother has a horrible memory and recently ...more

Both the Galaxy S6 and S6 Edge have had root methods available to them before the phones were even released, but the problem with these existing root methods is that they would trip the KNOX counter on your device. Why Tripping KNOX Is Bad for Your Phone To give you a bit of ...more

In 2014, Snapchat introduced a special type of Filter called Geofilters. Geofilters only appear when you're in a specific location. For example, a Disney Land Geofilter will only appear if you're actually there. Rather, your phone needs to think that you're at Disney Land. By ...more

Welcome to the second Null Byte in a series educating you on Social Engineering awareness and techniques. Today, I'm going to show you how a saavy Social Engineer would trick a friend into unknowingly surrendering their Facebook password. My intent is to warn and demonstrate h ...more

UPDATE: The ported APK covered below is now obsolete because Fortnite beta is officially available for all Android devices! Alongside its Galaxy Note 9 announcement at Unpacked this year, Samsung confirmed that Fortnite would initially launch on Android as a Galaxy-exclusive. ...more

Because of Android's new SafetyNet system, certain apps can now block rooted users or prevent you from accessing them altogether — but at least for now, there are still ways around these restrictions. You can pass most of SafetyNet's checks with Magisk and systemless root, bu ...more

When the 6.1 version of iOS was released back in February, complaints of severe battery drainage for iPhone, iPad, and iPod touch users exploded onto every Apple-related forum on the Internet. Everyone was either losing a percentage every three or so minutes, or their battery ...more

Lock screen exploits are becoming increasingly common in the mobile world. Four weeks ago there was the iPhone 5 passcode bug (which just got fixed yesterday...kinda). Then there were a couple lock screen bugs on the Samsung Galaxy S3 two weeks ago. Now that GS3 lock screen b ...more

Even though iOS 6.1 was only released a couple of weeks ago, hackers released evasi0n a couple days after. Evasi0n, the only iPhone 5 jailbreak currently on the market, is the most popular jailbreak in history—with nearly 7 million iOS devices already hacked in the mere four d ...more

Welcome back, my hacker trainees! A score of my readers have been begging for tutorials on how to hack Wi-Fi, so with this article, I'm initiating a new series dedicated to Wi-Fi hacks. This will probably be around 6-9 articles, starting with the basics of the technologies. I ...more

You know it's crazy out there when governments start blocking social websites like Facebook, Twitter and even YouTube. But that's what happened in Egypt, when tens of thousands of anti-government protesters took to the streets on Tuesday (January 25th) in hopes of ending Presi ...more

hello my dear colleagues, I made a visit to nullbyte and found that there is not a complete tutorial about the google dorks, so I felt the need for this tutorial, and seeing that there are many newbies around, so here's a tutorial that will teach you how to use google to hack. ...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

At the recent DefCon conference in Las Vegas, researchers opened many of the top commercially available gun safes with simple tools like a straw or a paper clip, and in one case, just by shaking it a bit. The investigation began after the researchers, Toby Bluzmanis, Marc Tobi ...more

One draw that Samsung's Galaxy S line has had over the Google Nexus 4 and 5 and the HTC One (though the M8 appears to be following suit) is expandable storage. Pop a microSD card into the slot and you have extra storage for music, photos, and even apps themselves in some cases ...more

One of the most exciting additions to iOS 12 for iPhones is called Shortcuts, a tool integrated with Siri to help you get things done faster. While there are a few recommended shortcuts available to you in Siri's settings in iOS 12, the Shortcuts app brings the functionality o ...more

If you've ever rooted an Android device in the past or installed a custom recovery, you're surely familiar with the term "unlocked bootloader." But if all of this sounds like gibberish to you, some major changes in Android have made it to where you should definitely get famili ...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

Last night, I was reading a riveting National Geographic article on the green-eyed tree frog, until I was quickly interrupted by an annoying popup asking me to "create a free account" or "sign in." Really, I'd like to do neither. I just want to read about tree frogs. This popu ...more

Let's say you got a little careless while installing apps from unknown sources, and now your Android device has been infected by malware. Or perhaps your friend has come to you for help after they had haphazardly installed random apps until their phone was filled with popups a ...more

What you watch in the privacy of your own home should be no one's business but yours. That was the case until Prime Minister David Cameron decided that there was too much porn available to minors in the United Kingdom. "The impact it is having on the innocence of our children ...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 don't want somebody you're calling to know the real phone number associated with your iPhone, whether it's for privacy reasons, to avoid being called back, or to prevent being ignored, there are multiple things you can do to block it on their caller ID. Some of the b ...more

Netflix is more popular now than ever, but it still has a ways to go before satisfying everyone. Whether it's a lack of availability, buggy or unattractive apps, or just not being able to find anything to watch, lots of people have their complaints. But there is a way to make ...more

T-Mobile's "Uncarrier" initiative has done wonders for my wallet and my data usage. Before I had to deal with being throttled down to 2G speeds after passing my data limit, but thanks to their unlimited data plans, I'm free to use as much LTE data as I possibly can. The only d ...more

When you want to see something far away with a little more clarity or you're having a hard time reading small letters right in front of you, you can point your iPhone's camera at the subject and "pinch" to zoom for a better look. But there's actually something built into iOS f ...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

One of the most frustrating things on the Internet are sites that make you register just to view content. I'm not talking about paywalls—I mean the sites that make you give them personal information to look at free articles or forum threads. Most people are uncomfortable with ...more

Snapchat developers insist that the app stay true to what its always been: a service for snapping and sharing self-destructing images. This belief is further hit home with their strict 31-character text limit, which some people refuse to abide by. Namely, Snapchatter Shayne Sk ...more

So, you've finally managed to get addicted to one of those free farming games, like Farm Story or Tiny Village. You play the game nonstop now, and the only thing stopping you is that dreaded on-screen notice to come back in 23 hours to finish farming or building. Come back in ...more

It's pretty logical for your MacBook to sleep when you close its lid, but under certain circumstances, you may not necessarily want this feature to kick in. Personally, I'd prefer my MacBook's lid to be closed while relaxing and listening to music. Also, I don't like having t ...more

People use browsers for all types of things, and in general, we trust a lot of personal information to them. That's why browsers are a perfect attack surface for a hacker, because the target may not even know they are infected and feed you all of the information you could want ...more

The new LG G3 is the latest Android flagship-level device to be released this year, and it's ready to give the Galaxy S5, HTC One M8, and the OnePlus One a run for their money. Sporting a gorgeous 5.5-inch QHD display, 3GB of RAM, and a huge 300mAH battery, the device looks gr ...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

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

Today's guide is on creating a password protected folder on Windows 7 without any additional software. Yes, you heard that right. No extra software at all! This guide is intended for beginners. But please note, this method should not be used to store financial or otherwise hig ...more

Paywalls make it nearly impossible to access certain content unless you have a subscription. It's a practice that many news organizations and other online publications use to increase revenue: The New York Times, The Wall Street Journal, Vanity Fair, Wired, and so many more. B ...more

Last year, the Washington Post's Ashley Halsey wrote an article on what really happens to your luggage at airports. In it, they unwittingly published a photo of the master keys the TSA uses for TSA-approved baggage locks. Now, thanks to that picture and a French lock-picking e ...more

Hackers are always seeking zero-day exploits that can successfully bypass Windows 10's security features. There has been extensive research into creating undetectable malware and entire GitHub projects dedicated to automating the creation of undetectable payloads such as WinPa ...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

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

Our smartphones are full of personally-identifiable information. So much of what we do with these devices is tracked and recorded to make our experience more streamlined and personalized. For many users, that's a fair trade — but for privacy-minded folks, it's a raw deal. And ...more

What do Hulu Plus, Pandora, and YouTube all have in common? Ads—and lots of them. Sometimes, an advertisement or two isn't a big deal, but when you're bombarded with them daily on your iPhone, they can get old really quick, and might even lead you to delete the apps entirely. ...more