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HOW TO
02/14/2025 7:54 pm

How to Get Started Writing Your Own NSE Scripts for Nmap

The road to becoming a skilled white hat is paved with many milestones, one of those being learning how to perform a simple Nmap scan. A little further down that road lies more advanced scanning, along with utilizing a powerful feature of Nmap called the Nmap Scripting Engine. Even further down the ...more

Microcontroller setup on a breadboard with wires and LED.
HOW TO
02/14/2025 7:52 pm

How to Control Anything with a Wi-Fi Relay Switch Using aRest

A relay is an electrical component that works like a light switch, where it's turned on or off with an electrical signal. By connecting a relay to a Wi-Fi connected microcontroller like an ESP8266, you can build a connected switch that can be controlled from the web browser of any device connected t ...more

Security camera mounted on a building.
HOW TO
02/14/2025 6:36 pm

How to Intercept Images from a Security Camera Using Wireshark

It's common for IoT devices like Wi-Fi security cameras to host a website for controlling or configuring the camera that uses HTTP instead of the more secure HTTPS. This means anyone with the network password can see traffic to and from the camera, allowing a hacker to intercept security camera foot ...more

Digital illustration of an eye overlaying a world map, symbolizing global vision or oversight.
HOW TO
02/14/2025 6:33 pm

How to Easily Detect CVEs with Nmap Scripts

Nmap is possibly the most widely used security scanner of its kind, in part because of its appearances in films such as The Matrix Reloaded and Live Free or Die Hard. Still, most of Nmap's best features are under-appreciated by hackers and pentesters, one of which will improve one's abilities to qui ...more

Code snippet displaying a terminal connection to a remote server.
HOW TO
02/14/2025 6:29 pm

How to Use the Chrome Browser Secure Shell App to SSH into Remote Devices

Many guides on Null Byte require using the Secure Shell (SSH) to connect to a remote server. Unfortunately for beginners, learning to use SSH can become a confusing mix of third-party programs and native OS support. For Chrome OS users, using SSH is even more difficult. We'll fix this by using the C ...more

Code snippet showcasing Python programming.
HOW TO
02/14/2025 6:12 pm

An Intro to Vim, the Unix Text Editor Every Hacker Should Be Familiar With

As pentesters and hackers, we're going to be working with text frequently — wordlists, configuration files, etc. A lot of this we'll be doing on our machine, where we have access to whatever editor we prefer. The rest of it will be on remote machines, where the tools for editing will be limited. If ...more

Coding interface with lines of code and a colorful graphic of a character.
HOW TO
02/14/2025 6:08 pm

How to Encrypt Your Notes, Photos, and Archives with EncryptPad

For anyone wanting to keep information private, plain text is a format of the past. Instead, cheap, powerful encryption is widely available, but often not easy enough to use to attract widespread adoption. An exception to this rule is EncryptPad, an easy to use application that lets you encrypt text ...more

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HOW TO
02/14/2025 6:01 pm

How to Locate and Exploit Devices Vulnerable to the Libssh Security Flaw

Computers all over the world rely on a program called "libssh" to use the SSH communications protocol, which allows trusted users to log in and administer computers remotely. Due to a flaw in libssh, fooling a computer into granting SSH access is as easy as telling it you already have permission. Th ...more

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HOW TO
02/14/2025 5:52 pm

How to Exploit Recycled Credentials with H8mail to Break into User Accounts

Many online users worry about their accounts being breached by some master hacker, but the more likely scenario is falling victim to a bot written to use leaked passwords in data breaches from companies like LinkedIn, MySpace, and Tumblr. For instance, a tool called H8mail can search through over 1 ...more

A stylized halftone black-and-white image of an astronaut standing on the left, gazing at a sloping, cratered landscape on the right. The image is made of white dots on a black background, creating a retro, high-contrast effect.
NEWS
02/11/2025 3:50 pm

Super Bowl Ads 2025: AI Commercials in the Spotlight

For decades, Super Bowl ads have been used as a launching platform for new products, devices, and even technologies. In Super Bowl LIX, it took center stage in the exploding AI space. Until now, the tech crowd has ravenously ingested much of the most pertinent AI news. The innovators and early adopt ...more

Add to Home Screen option for a website on a mobile device.
HOW TO
07/30/2024 11:46 pm

iPhone Browsers That Support 'Add to Home Screen' for Web Apps and Bookmarks

Safari isn't the only web browser on your iPhone or iPad that will let you add icons to your Home Screen for progressive web apps and website bookmarks. Apple gave developers the key to its "Add to Home Screen" feature, and your favorite iOS or iPadOS web browser may already support it. Since iOS 16 ...more

Calculator displaying the number 24.
HOW TO
06/25/2024 3:01 pm

How to Fix the Broken iOS 11 Calculator on Your iPhone

If you've running iOS 11.1 through iOS 11.1.2, whether you have an iPhone X or an iPhone 5S, you'll notice that Apple's Calculator app can't keep up with your calculations. That's a because a bug has seriously slowed it down so that operation buttons won't always trigger when you press them. Luckily ...more

Mobile phone displaying a tip message on a background of dollar bills.
HOW TO
06/25/2024 3:00 pm

Calculate Tips Faster on Your iPhone Using the Shortcuts App

When it's time to calculate a tip at a restaurant or bar, I usually try some mental math at first, but sometimes I resort to opening the Calculator quickly from the Control Center on my iPhone and doing a quick calculation. But with Apple's Shortcuts app, there's an even easier way, and you don't ev ...more

Close-up of a smartphone keyboard with text entry field.
HOW TO
06/03/2024 8:30 pm

How to Unlock the Apple Logo Emoji on Your iPhone, iPad, or Mac

Thousands of emoji are available on iPhone, iPad, and Mac, and you can use these in many of the apps you have installed on your Apple devices. But there's one emoji you'll likely never see on any of Apple's official emoji keyboards, and its absence may surprise you at first, considering it's embedde ...more

Phone screen displaying upload mode information and instructions.
HOW TO
05/09/2024 6:32 pm

How to Use Odin to Flash Samsung Galaxy Stock Firmware

If you own a Samsung phone and enjoy rooting or modding your device, flashing official firmware can be very useful. Odin is Samsung's own internal program for loading such updates for testing purposes, and it's quite easy to use for your own custom modification needs. Though Odin is fairly simple, t ...more

A person holding a smartphone displaying a text-based screen.
HOW TO
05/09/2024 5:30 pm

How to Test Your Samsung Phone with Secret Code *#0*#

Besides obvious features like a touchscreen and biometric sensors, the modern smartphone comes with an array of state-of-the-art hardware in the form of various sensors that help your device sense the environment around it. And if you have a Samsung handset, chances are, you have a handy feature bui ...more

Futuristic flying vehicle hovering above a city street.
NEWS
02/15/2024 9:18 pm

Bat Science: How Realistic Are Batman's Gadgets in Dark Knight Rises?

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 actually being able to replic ...more

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HOW TO
01/11/2024 4:48 pm

How to Guess a Random Number Using a Math Trick

Though impressive, reading minds in person has been done and overdone. Revamp this tired sport by learning how to mind read over the phone and even on Twitter. Watch this video for Scam School's method of reading minds over social media mediums. So whether you're at the bar or sitting at home in you ...more

Green liquid being poured from a glass.
HOW TO
01/05/2024 9:56 pm

Make Slime Without Borax: 5 Easy Recipes for Gooey Homemade Ooze

One of the only things I remember from watching Nickelodeon as a kid is the epic green slime. Looking back, I don't know what was so great about it, but every kid my age thought that being drenched in slime would be the coolest thing on earth. GiphyOf course, the first thing I did was beg my parents ...more

Raspberry Pi network scanning tool output displayed in terminal.
HOW TO
09/11/2023 5:33 pm

Discover & Attack Raspberry Pis Using Default Credentials with Rpi-hunter

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 rpi-hunter, hackers can ...more

Smartphone displaying streaming content alongside Blu-ray boxes and headphones.
NEWS
07/25/2023 11:33 pm

Gift Guide: Must-Have Phone Accessories for Movie Lovers

There's never been a better time for streaming videos on your phone. With so many options available (including a potential mobile-only Netflix tier) and so many new smartphones having large screens, there's a good chance you know someone who mainly use their phone for videos. And if you looking for ...more

Smartphone with an orange bow on a colorful celebration background.
NEWS
07/25/2023 11:33 pm

Gift Guide: The Best Android Accessories to Buy for the Techy Person in Your Life

Need a unique gift idea for the techy person in your life? Look no further than that phone they always have in their hand. There are plenty of great accessories, apps, subscriptions, and other smartphone-related goodies that will improve their quality of life, and thoughtful gifts like that are alwa ...more

Smartphone and photography accessories on a wooden surface.
NEWS
07/25/2023 11:32 pm

Gift Guide: Must-Have Phone Accessories for Photographers

With smartphone cameras and software getting better and better every year, more and more users are getting passionate about photography. So when you're shopping for a gift to get someone, if they have a smartphone, chances are they'll more than appreciate some tools and accessories for taking better ...more

USB-C port on a device.
HOW TO
07/13/2023 3:15 am

Everything We Know About the iPhone 15 Series Models Coming This Fall

Apple's iPhone lineup has always been at the forefront of technological innovation, captivating the world with each new iteration. As we eagerly anticipate the iPhone 15 series release, rumors, leaks, and speculations about the highly anticipated 2023 models are at full steam. From enhanced features ...more

Smartphones displaying app settings with input prompts.
HOW TO
06/29/2023 1:18 am

How to Set Multiple Timers on Your iPhone to Run Side by Side

Although the Clock app in iOS has undergone some designchanges over the years, you still can't set more than one timer on your iPhone. Oddly enough, Apple's own HomePod speaker added this feature, mimicking the timer on Amazon's popular Echo smart speakers. Fortunately, through Apple's Shortcuts app ...more

Multitasking view on a tablet displaying a spreadsheet, data charts, and file folders.
HOW TO
05/08/2023 11:00 am

Multitask Like a Pro on Your iPad by Using Up to 4 Open Apps at the Same Time

Apple's latest multitasking feature for iPad lets you go beyond Split View's two-app restriction to use up to four apps at once. Here's how it works. While Split View gives you two apps to work with side by side, Stage Manager, available on iPadOS 16.1 and later, gives you two to four apps simultane ...more

Conversation in a chat interface about borrowing money.
HOW TO
04/11/2023 9:25 pm

5 Wild Things You Can Do with Bard, Google's AI Chatbot

Now that Bard — Google's response to the revolutionary ChatGPT generative AI chatbot — is out in the wild, it's beginning to let its freak flag fly. Sure, Google wants us to know that its generative artificial intelligence chatbot can write blog posts about summer mocktail recipes or compile a campi ...more

Settings interface with options for screen lock, Night Shift, True Tone, and network connections.
HOW TO
04/05/2023 10:06 pm

iOS 16.4 Has 53 New Features and Changes for iPhone You Won't Want to Miss

Apple's iOS 16.3 update for iPhone had impressive new features, but iOS 16.4 might impress you even more. The latest iPhone update was released on Monday, March 27 — a day earlier than Apple Music Classical, Apple's new classical music streaming service — has at least 30 more new upgrades than its p ...more

Music app icon on a smartphone screen.
HOW TO
03/28/2023 5:28 pm

Apple Music Subscribers Just Got a Massive New iPhone Feature

A massive new feature just hit Apple Music, and it's the biggest thing to happen to Apple Music since Apple Music was even a thing. Over the years, Apple's music streaming service added helpful features like Apple Music TV, time-synced lyrics, and Apple Music Sing, and the latest addition is the sta ...more

Music application icon on smartphone interface.
HOW TO
03/28/2023 2:27 pm

Apple Music Is Adding a Huge New Feature Next Week

A massive new feature is about to hit Apple Music next week. Anyone can check it out, but only Apple Music subscribers through an Individual, Student, Family, or Apple One plan can take full advantage of the new perk that's been years in the making. Update: Apple Music Classical is out!On August 30, ...more

Apple logo on a smartphone screen during a software update.
HOW TO
03/04/2023 12:42 am

Your iPhone Finally Has a Feature That Macs Have Had for Almost 40 Years

Apple had a version of this feature on its Mac computers for almost 40 years, so why did it take Apple over 15 years to finally add it to iPhone? Since the first Macintosh computer, Apple's included a startup chime that sounded off every time you powered on. At first, it was a helpful sound to let y ...more

Blue abstract cosmic background displayed on a smartphone.
HOW TO
02/23/2023 10:23 pm

Apple's Messages App Has a Hidden Feature You Can Use Only by Doing This

Apple has a secret iMessage effect so hidden that there's only one way to unlock it, and it's not by digging through the Messages app's settings, tools, effects, or interface. However, it's used the same way whether you're messaging from an iPhone, iPad, or Mac, so it's easy to remember once you kno ...more

Percentage breakdown on a mobile device display.
HOW TO
12/23/2022 5:52 pm

iOS 16.2 Has 39 Huge Changes You Need to Know About Before Updating Your iPhone

Apple's latest big software update includes an entirely new Apple app, a controversial change in the TV app, better Siri control, an improved Shortcuts app, interesting Safari upgrades, Apple Music Sing, and more. Keep reading to see what iOS 16.2 has to offer your iPhone. The iOS 16.1 update appear ...more

NEWS
11/17/2022 7:14 pm

Minecraft Building Tips: Architectural Design and Aesthetics

Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. This past Saturday we had a great turn out for the Weekly Workshop, and we even managed to get a few of you in TeamSpeak. Thanks to all who joined in, hope you learned some awesome new things! Today we'll ...more

A person holding a small, intricate mechanical model.
NEWS
11/17/2022 7:00 pm

Meet SALTO, UC Berkeley's Bushbaby-Inspired Robot with Insane Leaping Skills

It's odd to see grown humans attempting to bounce off walls doing parkour. It's another thing altogether to see a robot doing it. University of California Berkeley's Biomimetic Millisystems Lab has created the world's most vertically agile robot—capable of jumping to unimaginable heights. Meet SALTO ...more

Smartphone screen displaying time, date, and battery status.
HOW TO
10/04/2022 7:46 pm

All the Apps with Lock Screen Widgets for Your iPhone

Apple's just ushered in a new era for widgets on your iPhone. With the iOS 16 update, each of your lock screens can have up to five widgets. While Apple's apps were the first to get lock screen widgets, third-party developers can code their own ones into their apps — and here's a list of every app w ...more

Person holding a smartphone displaying a website related to gadgets.
HOW TO
08/12/2022 2:24 am

Safari 101: How to Find Specific Words or Phrases in Webpages on Your iPhone

Apple's default browser for iOS, Safari, has a ton of useful features, and there's so many that it's impossible to know everything you can do to browse the web more efficiently. One you may not know about brings the Command + F keyboard shortcut right to your mobile browser so you can search for wor ...more

Text input on a smartphone screen displaying "I'm watching Ozark."
HOW TO
08/03/2022 10:26 pm

Prevent Autocorrect Fails with This Hidden iPhone Trick

Auto-Correction only improves with time, but after 15 years of continuous development by Apple, it's still nowhere near perfect on the iPhone. However, a few hidden features in iOS can help avoid or mitigate future autocorrect failures, one of which warns you every time it's about to make a word cha ...more

Text message on a smartphone screen reading "Steganography is cool" with options for cut, copy, paste, and share.
HOW TO
08/03/2022 2:40 am

Use Invisible Zero-Width Characters to Hide Secret Messages in Plain Sight

With a simple web-based tool, you can hide secret messages for family, friends, and fellow spies inside of plain text communications, and anyone that intercepts the messages will be none the wiser. Steganography is the art of hiding secret messages comprised of text, code, audio, images, video, docu ...more

Smartphone screen displaying various app icons with "Gadget Hacks" header.
HOW TO
07/18/2022 8:00 pm

How to Watch YouTube Videos Using Picture in Picture on Your iPhone or iPad

Apple has given third-party developers access to Picture in Picture on iPad since iOS 9 and, more recently, on iPhone since iOS 14, but YouTube has been one of the few not to support the feature outside of Safari or premium memberships. Thankfully, that's no longer the case if you live in the U.S. G ...more

Video playback interface featuring a pause button and a timer displaying '10' on a mobile device screen.
HOW TO
07/18/2022 7:32 pm

All the Apps That Work with Picture in Picture for iPhone

Since iOS 9, the iPad has had Picture in Picture mode, which lets you minimize a video that you're watching into a floating overlay so that you can multitask in other apps while it plays. For iPhones, it came a little later, first appearing in iOS 14. It's not just for the Plus or Max displays eithe ...more

Chat screen displaying emojis and message options on a smartphone.
HOW TO
07/13/2022 6:01 pm

You Can Now Use Any Emoji for WhatsApp Message Reactions

Instead of responding to a WhatsApp message with short texts like "LOL" or thinking too hard about something meaningful to say, use an emoji reaction. They cut down on clutter in group chats and take up less space than typing emoji individually in a conversation. WhatsApp initially limited reactions ...more

Clownfish swimming among green bubbles on a smartphone screen.
HOW TO
07/08/2022 10:59 pm

How to Get Apple's Very First iPhone Wallpaper on Your Home or Lock Screen

When the very first iPhone was unveiled by Steve Jobs in 2007, it sported a clownfish wallpaper throughout the keynote presentation — a wallpaper that never actually ended up on any iPhone models. Now, 15 years later, it's finally made its appearance in the latest iOS 16 beta. If you don't want to r ...more