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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 ...more

The latest film addition in the American-produced Millennium series, The Girl in the Spider's Web, was just released on Blu-ray a few days ago. As you could expect, the movie has many hacking scenes throughout, just like the previous English and Swedish language movies centere ...more

For the uninitiated, it can be difficult to buy that special hacker in your life a perfect holiday gift. That's why we've taken out the guesswork and curated a list of the top 20 most popular items our readers are buying. Whether you're buying a gift for a friend or have been ...more

Rooting. As an Android user, I'm sure you've heard the word once or twice. According to Kaspersky, 7.6% of all Android users root — but for the 92.4% who don't, we wanted to talk to you. Rooting allows you to remove barriers and open Android to a level of unprecedented contro ...more

Wi-Fi devices are continually emitting "probe frames," calling out for nearby Wi-Fi networks to connect to. Beyond being a privacy risk, probe frames can also be used to track or take over the data connection of nearby devices. We'll explain how to see nearby devices emitting ...more

This year's big iPhone update, iOS 12, aims to solve many of the issues that arose during iOS 11's controversial, buggy tenure. With that in mind, it may be tempting to jump on board the new software immediately and leave iOS 11 in the dust for good. Here are some reasons why ...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

TouchWiz might not be the Android skin of choice for hardcore aficionados, but the Galaxy's OS still has a ton of great features up its sleeve that help provide one of the most enjoyable smartphone experiences out there. Many of these are relatively hidden and overlooked featu ...more

Smartphones are like high tech buckets that collect our personal information through constant use. This has some obvious benefits, like getting a more personalized experience with our devices. On the other hand, this data is a tempting target for bad actors looking to make a b ...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

Millions of travelers pass through airports each day without understanding how powerful and insecure a boarding pass can be. Anyone can scan the boarding pass barcode with a mobile app, allowing access to frequent-flyer accounts and even a passenger's temporary airline account ...more

Hackers can be notoriously difficult to buy gifts for, so we've curated a list of the top 20 most popular items Null Byte readers are buying during their ethical-hacking studies. Whether you're buying a gift for a friend or have been dying to share this list with someone shopp ...more

The iPhone X was released in November 2017, and the iPhone 8 and 8 Plus dropped right before it, but the hottest news right now revolves around the 2018 iPhone releases. The rumor mill regarding the iPhone X's successor started churning out speculations on names, cameras, disp ...more

There's no denying that there are some seriously useful new features in iOS 11 for iPhone. But there's also no denying that Apple got a few things wrong with the latest iOS update, as well as left a few important features out. Some of the items listed below are things Apple b ...more

A PirateBox creates a network that allows users to communicate wirelessly, connecting smartphones and laptops even when surrounding infrastructure has been disabled on purpose or destroyed in a disaster. Using a Raspberry Pi, we will make a wireless offline server that hosts f ...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

Now that smartphones have ensured that we're connected to the internet 24/7, online privacy has become more important than ever. With data-mining apps hoping to sell your information for targeted ads, and government agencies only one subpoena away from knowing every detail of ...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

Apple's latest mobile operating system, iOS 9, may not be the huge overhaul that iOS 8 was, but that doesn't mean there aren't plenty of new features. In fact, there are a ton of subtle changes that you may not notice right away. Here's a rundown of all the coolest new feature ...more

As the iOS 18 beta continues, Apple's still investing time into fixing up iOS 17. Compared to iOS 17.4 and iOS 17.5, which both had over 30 new features and changes, iOS 17.6 is a relatively small software update for iPhone. But there are still some important things to know ab ...more

There are more than a few exciting new Home Screen customization options available in the iOS 18 and iPadOS 18 software updates, including some we've been waiting years for. Apple never mentioned a few of these new features and changes in the release notes, but you can see the ...more

Whether it's everybody or just a specific contact you can't hear during audio and video calls when wearing headphones, your iPhone has hidden, little-known tools to help you catch every word they say in the conversation. Even if you can normally hear everyone during calls, cus ...more

Whether you subscribe to Apple TV+ or not, the TV app on your iPhone is a great place to watch movies and TV shows. On the surface, it looks like a pretty straightforward app, but hidden features are lurking in the shadows that can enhance how you use it. First, there are the ...more

Apple has a few exciting surprises for you in its latest iOS 16 and iPadOS 16 software updates. Released on Thursday, May 18, version 16.5 includes new features, bug fixes, and security patches, and there are even hints of some big things coming in future software updates for ...more

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 tw ...more

You may know the traditional way to take a screenshot on your iPhone, but it may not be the best action for your needs. There are faster ways to capture an image of your iPhone's screen, methods for capturing overlays and other elements that won't show in regular screenshots, ...more

Apple just upgraded its Reminders app for iPhone, and there are some powerful new tools and improvements for task management that'll make you wonder how you ever lived without them. You'll notice some of the new Reminders features, which come with iOS 16, right off the bat wh ...more

In recent years, Apple has made it much easier to customize the Home Screen on your iPhone or iPad, and some of the newer tools are perfect for neat freaks. Nonetheless, a tidy Home Screen can still feel cluttered when iOS and iPadOS force widgets, apps, and folders to have na ...more

Apple's iOS 15 update has some great camera features that can benefit professional photographers and casual users alike. And while many are exclusive to newer iPhone models, there are still some Camera app upgrades and additions that apply to all iPhones running iOS 15. 1. Im ...more

While obvious, it's a lot more difficult to hack into a locked computer than an unlocked computer. As a white-hat hacker, pentester, cybersecurity specialist, or someone working in digital forensics, there's an easy solution — make it so that the computer won't fall asleep and ...more

With just two microcontrollers soldered together, you can inject keystrokes into a computer from a smartphone. After building and programming the device, you plug it into a desktop or laptop, access it over a smartphone, and inject keystrokes as you would with a USB Rubber Duc ...more

The iPhone has a setting that will obfuscate the content of notifications on its lock screen until you're recognized by Face ID. Google implemented this same feature in its Pixel phones, but many Android devices have no such option. At least, not by default. If you use Androi ...more

A dead man's switch is a fairly simple concept. If you don't perform a specific task before a set amount of time, it'll perform a specific action you set. They can be handy not just for hackers but for everyone who wants to protect themselves, someone else, or something tangib ...more

Google TV gives the new Chromecast a home screen full of curated content from your various streaming subscriptions, but it's just that — a home screen app. Underneath, Google's new dongle is running Android TV, meaning its home screen is just a launcher that can be installed o ...more

Apple just released the first beta for iOS 14.2 to iPhone software testers today, Monday, Sept. 21. This update brings a new Control Center tile for Shazam music recognition, a redesigned Now Playing Control Center tile, and a new "People Detection" feature in Magnifier. A si ...more

Widgets have been available on the iPhone for a while now, but they were tucked away in the Today View or hidden in the quick actions menu for app icons on the home screen. Android had always had a leg up on Apple in the widget department because they were so much more versati ...more

Android 11 is here. Prior to Google dropping the naming scheme, this would have been a dessert with an R name (maybe Rice Krispies Treat or Red Velvet Cake) — but nope, just plain ol' Android 11. And after months of betas and a global pandemic, it finally debuted a little over ...more

If you can't locate a specific entry in the Notes app on your iPhone, chances are that it's hiding in a different place than you thought, connected to a third-party email service such as Gmail, Yahoo, or Outlook. When one of those notes gets lost or accidentally deleted, you'r ...more

Apple's already gone through iOS 13.0, 13.1, 13.2, 13.3, 13.4, and 13.5 betas, and now it's time for iOS 13.6. If you want to try out new features on your iPhone before the masses, install either the developer or public beta. The iOS 13.6 beta first appeared as an iOS 13.5.5 ...more

OpenBSD implements security in its development in a way that no other operating system on the planet does. Learning to use the Unix-like operating system can help a hacker understand secure development, create better servers, and improve their understanding of the BSD operatin ...more

Privacy and security go hand in hand, especially for smartphones. When it comes to privacy, you decide what personal information about yourself is out there to discover. Security, on the other hand, is all about enforcing those privacy decisions. Sometimes privacy and securit ...more

Besside-ng is the hidden gem of the Aircrack-ng suite of Wi-Fi hacking tools. When run with a wireless network adapter capable of packet injection, Besside-ng can harvest WPA handshakes from any network with an active user — and crack WEP passwords outright. Unlike many tools, ...more

While iOS 11 is ready to take over your iPad, iPhone, and iPod touch, let's take a step back and check out all of the new features that iOS 10 brought to the public when it was released to everyone in Sept. 2016. Some of the updates from iOS 9 to iOS 10 were huge, as you'll s ...more

Apple's Messages app already has a ton of great features, from audio message transcriptions to message editing and screen effect triggers. But there are some important new changes to go along with the newest software updates for iPhone, iPad, and Mac that make Messages even be ...more

After 98 days of beta testing, Apple released its iOS 18 and iPadOS 18 software. These updates are packed with new features and big changes for Home Screen, Control Center, Messages, Siri, Mail, and so much more. Apple Intelligence features are coming later this year in the iO ...more

Apple's built-in search on iPhone is an incredibly valuable tool you shouldn't ignore or underutilize, and we're here to show you why. So, buckle in because this list covers hidden and lesser-known Spotlight features that will leave you wondering how you ever lived without Spo ...more

When you encounter a mysterious laundry care symbol or alarming vehicle indicator light, you might just ignore it rather than ask somebody, search online, or open a user manual for the answer. If you have an iPhone, there's an easier way to decipher the meanings behind perplex ...more

Apple's first big iOS 17 point update for iPhone just came out, and it includes some of the features initially planned for the iOS 17.0 release last September. But there's much more to iOS 17.1 than that — exciting new features and changes are hiding within Books, Music, Stand ...more

Apple pushed out its iPadOS 16.6 update for iPad on July 24, with iPadOS 16.7 following on September 21. While the company is currently working on improving iPadOS 17, we may still see an iPadOS 16.8 update. If that happens, you can try out all the upcoming new features as lon ...more

Apple's iOS 16.6 software update for iPhone was released on July 24, with iOS 16.7 following on September 21. While Apple is currently focused on improving iOS 17, we may see iOS 16.8 pop up. When it does, you can try out all the upcoming new features as long as you're OK with ...more

An invaluable button on your iPhone can do hundreds, even thousands, of amazing things, but most iPhone users don't even know it exists. You can't push it. You can't click it. You can't press it. But it's the largest button on your iPhone, more powerful than the versatile Side ...more

There's an iOS feature that benefits many users, but it's absolutely vital if you wear AirPods or other headphones models connected to your iPhone. A large number of iPhone users don't even know about it, especially since it's disabled by default and hidden deep in the system ...more

There are many things Apple doesn't tell you about its products, and that's definitely the case when it comes to its Messages app. Hidden features lurk in your SMS and iMessage conversations just waiting to be found, and we've unearthed some of the most secret ones. Instead o ...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

You may prefer reading news stories, web articles, and books on your iPhone over listening to them in spoken form. Still, sometimes it's necessary when driving, walking, cycling, cleaning, working, or performing other activities requiring a little multitasking. To help you out ...more

If you use the Notes app on your iPhone and haven't updated to the newest software yet, you're missing out on some pretty valuable upgrades that improve smart folders, note security, collaboration, and more. So what are you waiting for? The new tools in Apple's Notes update m ...more

If you use Apple's Mail app on your iPhone for iCloud and third-party email accounts, install the new iOS update ASAP if you haven't already. While there's not a colossal number of new features, the latest tools and improvements are powerful enough to make the update feel like ...more

Some iOS and iPadOS apps give you an option to lock them behind Face ID, Touch ID, or a passcode, but there aren't many. While there's no setting on iOS and iPadOS to lock any app behind Face ID, Touch ID, or a passcode, some third-party developers incorporate the feature the ...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

Samsung has a cool security feature built into One UI that has an interesting side effect, one that lets you have two separate copies of any Android app on your Galaxy phone. And that's not the only integrated Samsung tool for cloning apps. Some mobile apps have built-in acco ...more