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How To: Steal Usernames & Passwords Stored in Firefox on Windows 10 Using a USB Rubber Ducky

A lot of people still trust their web browsers to remember every online account password for them. If you're one of those users, you need to adopt a more secure way of managing passwords, because browser-stored passwords are hacker gold mines. With a USB Rubber Ducky and physical access to your computer, they can have a screenshot of all your credentials in their inbox in less than 60 seconds.

How To: Program a $6 NodeMCU to Detect Wi-Fi Jamming Attacks in the Arduino IDE

Hackers and makers are often grouped under the same label. While hackers draw on computer science skills to write programs and find bugs, makers use electrical engineering to create hardware prototypes from microprocessor boards like the Arduino. We'll exercise both sets of skills to program a $6 NodeMCU to display the status of a Wi-Fi link via an LED, allowing us to monitor for jamming attacks.

How To: Use Beginner Python to Build a Brute-Force Tool for SHA-1 Hashes

Developers creating login systems know better than to store passwords in plain text, usually storing hashes of a password to prevent storing the credentials in a way a hacker could steal. Due to the way hashes work, not all are created equal. Some are more vulnerable than others, and a little Python could be used to brute-force any weak hashes to get the passwords they were created from.

How To: Customize the App Icons on Your iPhone's Home Screen

The most significant customization aspect of the iPhone is most definitely the home screen. Before iOS 14, Apple only threw in a feature here and there to appease those who like a more personal touch on the most visible part of the operating system. Now, there are great customizability options to give you a real personalized touch, and that includes app icons.

How To: Use SELinux Targeted Policy to Secure Your Hosts

Hackers often rely on lazy system admins and unpatched vulnerabilities to get access to a host. Keeping intruders off of our machines requires us to update daily, only run the services we need, and read the code, among other things, but we can still make mistakes. Luckily for us, we can limit the damage caused by those mistakes by running SELinux.

How To: When You Can't Sleep, Eat This

Being able to sleep deeply and fully is one of the foundations for real health. When you go without it, you feel subhuman and incapable of dealing with the world—just ask a student who's had to pull an all-nighter or the parents of a newborn. In fact, many studies have shown that lack of sleep or irregular sleep is linked to acne, weight gain, and depression.

How To: Change the Default Web Browser App on Your iPhone to Open Links in Chrome, Firefox, Safari, and More

Safari is an excellent app for all your web browsing needs, but Apple gives you the freedom to choose a different default web browser on your iPhone to open links in. If you primarily use a third-party web browser like Chrome or Firefox on your computer or tablet, changing your default iOS web browser allows you to have a synced web browsing experience across all your devices.

How To: 11 Ways Apple's Reminders App Is Even Better with iOS 18, iPadOS 18, and macOS 15

With iOS 18, you get better note-taking capabilities in the revamped Notes app, advanced features like conversions and results history in the more powerful Calculator, and interactive Math Notes, a feature in both apps that's a game changer for students and professionals dealing with complex equations. But Apple didn't forget about Reminders, which has become more than a simple to-do-list app.

How To: Change Text Color and Background Highlights in Apple Notes on iPhone, iPad, and Mac — The Official Way

Apple Notes may not have all the bells and whistles that a more powerful word processor like Apple Pages has, but this simple text editor continues to gain helpful new features that make it more than just a basic note-taking app. One of these updates finally gives you the ability to highlight text and change font colors, adding yet another way to make important details stand out.

How To: Apple's Massive Calculator Update Lets You Convert Currency, Area, Length, Time, and Other Measurement Units with Ease

Apple's Calculator app received a massive redesign, making it so much more than a simple calculator with built-in scientific functions. There's a new Math Notes feature that ties in with the Notes app, it can keep a history of your calculations, and you can even convert over 200 currency and measurement units.

How To: You're Using Lidar on Your iPhone and iPad — And You Don't Even Know It

Lidar, a technology first used by meteorologists and aerospace engineers and then adopted in self-driving vehicles, has slowly crept into consumer electronics over the last five years. If you have a Pro model iPhone or iPad, there's a good chance it has a lidar sensor, and you're likely using it whether you know it or not.

How To: Customize and Use Control Center on Your iPhone for Quick Access to Your Most-Used Apps, Features, and Settings

If you're not using Control Center on your iPhone, you're missing out on a powerful tool that can streamline how you interact with your device, make certain tasks more efficient, and give you quick access to system tools, switches, and sliders for quick changes no matter where you are or what app you're in.

How To: Apple's Reminders App Has 7 Hot New Features That Can Help Boost Your Productivity and More

If you're still using a third-party task manager on your iPhone, you might want to check out Apple's updated Reminders app. With each new update, Reminders gets more powerful yet remains one of the simplest task managers to use, and iOS 17's new to-do list features reinforce that statement.

How To: Your iPhone Has a Secret Button That Can Run Hundreds, Even Thousands of Actions — But You Have to Unlock It First

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 button, and it's hiding in plain sight.

How To: Your iPhone Has Hidden Tools to Help You Understand Emoji Better

Is the emoji you're using really the one you think it is? While you can use any emoji that looks like it fits what you have to say, it may have been created for a different purpose. On an iPhone, it's easy to find that purpose by retrieving the actual name of the emoji in Apple's operating system.

How To: Seamlessly Transfer a FaceTime Call to Your iPhone, iPad, or Mac Without Disconnecting It

One advantage to using Apple's ecosystem is Continuity, which allows you to move files, media, and tasks seamlessly between all your Apple devices. It even lets you use one device to help with actions on another, like unlocking your Mac with your Apple Watch or using your iPad as a second display. Now, things are even better with Continuity with Handoff's new FaceTime functionality.

How To: Your iPhone's Contacts App Is More Powerful Than Ever with These Killer New Features

In the past, Apple never really put much work into its Contacts app for iPhone, making the tool much less useful than its Mac and iCloud counterparts. But now the Contacts app for iOS is a force to be reckoned with. Packed with new features (some hidden), it's finally good enough to beat all of the third-party contacts apps that previously reigned supreme.

How To: The Trick to Using Your iPhone's Portrait Mode in Other Photo and Video Apps

Your iPhone's Camera app isn't the only place you can use Portrait mode for selfies. An easy-to-miss feature built right into iOS lets app developers leverage Apple's powerful Portrait mode effect in their own apps, so you can add a shallow focus effect to photos and videos when using the front-facing camera in FaceTime and apps like Facebook, Instagram, Snapchat, and Zoom.

How To: Use Your iPhone's Camera App for Real-Time Translations and Unit Conversions

When you see foreign words on a sign, unfamiliar currencies on a dinner menu, or a recipe using a different measurement system, there's a good chance you google it for a translation or conversion. Your iPhone's Translate app comes in handy for real-world language translations, and Siri's pretty good at converting measurements, but there's an app on everyone's lock screen that can do both: Camera.

How To: Update Your iPhone ASAP for Huge Mail Improvements That Make Emailing on iOS Better Than Ever

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 Mail's biggest ever — and there are features we've been waiting for for years!

How To: Apple Photos Has 20 New Features for iPhone That Make Your Life Easier

Apple gave its Photos app some serious muscle in a new update, and it's time to start flexing. Photos has so much power now that it may finally be time to ditch all your iPhone's other photo and video editing apps. You won't even need any third-party apps to remove backgrounds or lock private content from prying eyes because it's all included in the latest Photos upgrade.