While it may not be an obvious feature, Apple actually built a way into iOS that lets you hide specific pictures and videos in the Photos app that you want to keep on the down-low, for your eyes only. If you show off your photos a lot or stream slideshows to your TV, this is a ...more
So you finally decided to make the switch from iOS to Android, huh? Well first off: welcome to the world of tomorrow. And secondly: good call, mate. In all seriousness, switching between mobile ecosystems can be quite the hassle. Even after you've grown accustomed to the new ...more
There are more than a few subscription-based movie streaming apps available for Android and iPhone, each with different benefits and varying pricing plans. Needless to say, it can get expensive fast if you sign up for multiple services because you can't decide on what's best. ...more
How do I get rid of these zits?! Whether its pimples, blackheads, or whiteheads, the name is the same, and the name is acne. If you have acne, you are not alone. According to the American Academy of Dermatology, about 50 million people are impacted by acne vulgaris each year. ...more
Augmented reality is beginning to leak out into the mainstream world. This is thanks, in part, to ARKit and ARCore. These releases turned the current smartphones owned by millions of Apple and Android users into AR-capable machines. And while there are definitely some awesome ...more
Thanks to Apple's ARKit 2.0 augmented reality framework in iOS 12, we now have a "Measure" app built right into our iPhones that can measure real-world objects. No more physical tape measure or ruler. No more guessing. Just whip out your iPhone, open the app, put your camera, ...more
As you progress in the world of information security, you'll find yourself in situations where data protection is paramount. No doubt you will have files to hide and secrets to share, so I'm going to show you how to use the GNU Privacy Guard (GnuPG or GPG for short) to encrypt ...more
It is often said that the best hackers remain unknown, and the greatest attacks are left undiscovered, but it's hard for an up-and-coming penetration tester or white hat to learn anything unless one of those factors is actually known or discovered. But the end goal here in our ...more
Apple automatically converts most URLs in the Messages app into rich link previews, but they aren't always pretty, and sometimes you just want to see the full URL instead. While there is no setting on iOS, iPadOS, or macOS that disables rich link previews in the Messages app, ...more
Apple's iOS 15.4 update for iPhone is out after 46 days of beta testing, and it has some exciting features you won't want to miss. Here's everything you need to know about the new software. The iOS 15.4 software has been available to developers since Jan. 27, 2022, and public ...more
Eating fire is a guaranteed method of not only impressing an entire room, but also instantly settling any questions as to whether or not you're a complete and total stone cold BAD ASS. When you can casually whip this trick out in a bar, you're not only going to get your drinks ...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
Who am I? First let me introduce myself. I am Th3skYf0x, an -well lets call it experienced- hacker and i recently found this site and right after that i found this Null Byte "world" soo i thought... Why not teaching instead of doing nothing with my knowledge. Let me get one ...more
When I was 12, for some mysterious reason, my dad put my little brothers and me in charge of cooking the Thanksgiving turkey. Naturally, my brothers and I spent the rest of the day playing hide-in-seek in the backyard and forgot all about the humble bird defrosting in the sink ...more
While there were many highlights during Apple's keynote address at WWDC this year, the new advancements to the sassy personal assistant Siri in iOS 7 were amongst the most talked about—and something I was eager to test drive myself. Currently, there are ways to improve Siri in ...more
It hasn't been long since Apple released iOS 16.0 with over 350 new features, but iOS 16.1 just came out with even more cool updates for your iPhone. While some of the recent upgrades were expected, others are somewhat surprising — and there's even one that you may not even th ...more
If you haven't noticed yet, there are a lot of new features hiding in your iPhone's Messages app, and some of them are things users have been requesting for a long time. While iMessage is getting a lot of attention by letting us edit and unsend messages, it's only just the sta ...more
While there's no denying that iPads are better when it comes to multitasking and productivity, your iPhone has a few tricks up its sleeve to rival even the best iPad features. One thing about iPadOS is that it's really easy to highlight editable text with gestures, but it's ju ...more
Hackers rely on good data to be able to pull off an attack, and reconnaissance is the stage of the hack in which they must learn as much as they can to devise a plan of action. Technical details are a critical component of this picture, and with OSINT tools like Maltego, a sin ...more
In this video, we learn how to do a free reverse cell phone look up for call records. This will work for some cell phones, but not all of them. First, go to the website Your Spying Eyes. This is a great search tool where you can look through records of cell phones to find out ...more
If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's Excel ...more
If you're not using your iPhone's Files app yet to manage images, documents, and other files on iCloud, third-party cloud services, or your local storage, it's time to start. Apple's built-in file manager is finally a powerhouse with many tricks up its sleeve in the latest sof ...more
The art of privilege escalation is a skill that any competent hacker should possess. It's an entire field unto itself, and while it's good to know how to perform the techniques involved manually, it's often more efficient to have a script automate the process. LinEnum is one s ...more
If you thought humans were reading your résumé, think again. Robots do, and their one solitary objective is to systematically crush the hopes and dreams of those who don't make the cut. Instead of paying a few humans to read thousands of résumés over a couple weeks, many compa ...more
A rainbow table can be thought of like a dictionary, except instead of words and their definitions, it holds combinations of characters on one side and their hashed form on the other. What is a hash and why would you want to know what random combinations of characters are hash ...more
Nine times out of ten, when you pick up your Samsung Galaxy Note 2, you already know what app you're going to be using. If you only have Swipe to unlock enabled, finding that app is as easy as swiping and locating the app on your Home screen or in the app drawer. You can also ...more
Apple officially released iOS 12 to everyone on Sept. 17, and while the new iPhone XR, XS, and XS Max will come with the software by default, you have a choice on whether or not to update your current iPhone model from iOS 11. There are a lot of tempting features to want to up ...more
When you have to find the average of two or five numbers then you have to add all the numbers and then divide then by two or five respectively. However in the case of the function you have infinite many values over any interval. But it is not possible to add all and then divid ...more
While our smartphones are many things, one of their primary functions is to make calls. Many of us try to avoid ever having to make calls, but there are situations when it's a must, such as wishing your grandma happy Birthday or calling 911 — and in those times you want stella ...more
One of the main reasons Authy was able to top our list of the best two-factor authentications apps was its ability to transfer access to a new device. This feature ensures that whenever you get a new phone, you don't lose all your tokens. However, if the process is done incorr ...more
Welcome back, my hacker novitiates! In an earlier Linux Basics tutorial, I had demonstrated the basics of the Apache web server. Since Apache is the world's most widely used web server on the Internet (as of July 2015, Apache was 38%, IIS was 26%, and Nginx is 15%), the more ...more
Ports allow network and internet-connected devices to interact using specified channels. While servers with dedicated IP addresses can connect directly to the internet and make ports publicly available, a system behind a router on a local network may not be open to the rest of ...more
In-N-Out Burgers on the West Coast is famous for their not-so-secret and secret menus, along with their cheap, no-fuss burgers. Pre-internet, you felt like you were actually part of a small, select club when you knew what secret menu items to order. But with the advent of the ...more
Check out this informative video tutorial from Apple on how to create a table of contents in Pages '09. iWork '09, the office productivity suite from Apple, is the easiest way to create documents, spreadsheets, and presentations. Writing and page layouts are easy in Pages. Nu ...more
Welcome back, my hacker novitiates! Finding vulnerabilities in systems can be one of the most time-consuming tasks for a hacker. There will be times, though, when you'll find yourself in a position that you know that a particular port represents a vulnerable application or se ...more
The latest software update for iPhone has a few new features you should know about, including an enhanced security feature to protect your Apple ID account from phishing and other attacks. Keep reading to see everything new that's included with iOS 16.3 for iPhone. The iOS 16 ...more
Of all the new features in Android 6.0 Marshmallow, an automatic battery-saving function called "Doze" might just be the most interesting. What it all boils down to is that if you set your phone down on a flat surface, the device uses internal sensors to detect that it's motio ...more
Can't seem to win at the craps tables? How about any other dice game? There are a ton of fun dice games out there, but rolling the number you need to win is pure luck, or is it? In craps, it good to roll a 7 each time, any you can roll 7 every time, but first you need to hac ...more
If you have ever wanted to mod your Android device, your new best friend is easily going to be Team Win's TWRP custom recovery. This gives you access to file flashing on the fly, which can include such things as Magisk for root access, or even a custom ROM to replace the stock ...more
Your social security number, credit card information, and medical history can fall into the wrong hands if you're not careful about how and where you share your data online. If you really care about your data, there are tools and techniques you can utilize to protect yourself ...more
Using just a small sticky note, we can trigger a chain of events that ultimately results in complete access to someone's entire digital and personal life. Imagine arriving home one night after work and there's a Post-it note on your apartment door with the website "your-name- ...more
Hacking Wi-Fi is a lot easier than most people think, but the ways of doing so are clustered around a few common techniques most hackers use. With a few simple actions, the average user can go a long way toward defending against the five most common methods of Wi-Fi hacking, w ...more
One of the least important but most noticeable changes in any iOS update is the look of home screen icons. In the new iOS 11, there aren't any drastic icon differences compared to iOS 10, but there's definitely a few design modifications for some of the main stock apps, such a ...more
Welcome back, my novice hackers! In my continuing effort to develop your Linux skills, I now offer you this eighth in my series for Linux Basics for the Aspiring Hacker. In this tutorial, we'll look at system processes and how to manage them. In Linux, a process is a program ...more
Are you tired of your snoopy coworkers and friends lingering over your shoulder as you type in your security passcode? Unless you have the newer iPhone 5S with Touch ID that scans your fingerprint, you've only got a couple of security options—either a 4-digit numeric passcode ...more
This video is recorded in a mathematics class room. It is very clear by the sound and picture. The faculty here is explaining that the ratio between two numbers can be found using various formulae and methods. For example, 3:1 is the ratio between p and q. Likewise he explaine ...more
In college, I enjoyed eating, sleeping and making my roommate's life a living hell. My most satisfying prank involved 500 red cups stapled together, filled with water, and strewn across his bedroom floor. He was not happy. To clean up, he had to unstaple each cup, carry it to ...more
Welcome back, my budding hackers! One of the most time-consuming, but necessary, activities in hacking is reconnaissance. Before we can hack a system, we need to know what operating system it's running, what ports are open, what services are running, and hopefully, what appli ...more
Hello all Just thought id share how ive managed to get beef working over the internet. Step 1: All Needed Ports Forwarded First things first, you need to make sure you have these ports forwarded on your router. On mine it shows in the advance settings NAT > < Port Forwardi ...more
When setting up a Raspberry Pi, it's easy to overlook changing the default password. Like many IoT devices, the Raspberry Pi's default Raspbian operating system installs with a widely-known default password, leaving the device vulnerable to remote access. Using a tool called r ...more
It's not easy staying fit and healthy these days with addicting phones, oversized portions, and long workdays, to name just a few things. To succeed, it takes work, commitment, and an understanding of your mind and body — and your iPhone can help you with some of that. While A ...more
There's not much you can customize on your iPhone's status bar beyond showing or hiding the battery percentage icon. You can't choose different icons or pick a vibrant color, but there's a secret trick that lets you bold all the text. If you go to Settings –> Display & Bright ...more
Video Nerd thinks that when your doing long division with decimals you should first take out the decimal. Write the number as if it didn't have a decimal. For example if the problem was 12.5 divided by 5 then you will just use 125 and divide that by 5. Next divide the first di ...more
Managing hard drives in Linux is crucial to understanding your system and its operation as well as understanding the system you are exploiting or conducting a forensic analysis on. Linux has numerous commands that can provide us with information, control, and management of har ...more
Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. Real time redstone clocks are a marvel of redstone technology. Not only can they keep track of time, they are capable of powering other more complicated redstone machines. Regardles ...more
Welcome back, my aspiring hackers! As mentioned several times in previous Linux tutorials, nearly everything in Linux is a file, and very often they are text files. For instance, all of the configuration files in Linux are text files. To reconfigure an application in Linux, w ...more
Smartphones are still "phones," which means communicating with others is usually a primary use. Ranging from a simple "hi" to a more personal conversation and even sharing passwords, our messages should remain private so that only the intended recipient sees their content. Whi ...more
They're finally here. Apple announced three new iPhone models at their "Gather Round" event in Cupertino, and they're all absolutely gorgeous phones. With bezel-less screens and polished titanium edges, the iPhone XS, XS Max, and XR are truly marvels of engineering — but perha ...more
As I was listening to Apple's WWDC conference today, what ran through my mind the most is if there were ever a time to switch to the world of Apple computing now is it. Today's WWDC keynote presentation was chock-full of new and updated iOS mobile software—too much to cover in ...more
Bash scripting is a convenient way to automate things on any Linux system, and we're going to use it here to automate certain tasks we use all the time. Bash is a simple language for stringing together several different Linux utilities. Its simplicity makes it easy for beginn ...more