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How To: Use QR codes to store or retrieve data within an image

QR codes allow you to quickly and easily store and retrieve data within a single image. Much like barcodes at grocery stores, QR codes are images that can be scanned to discover data, such as an online website URL. Additionally, they can also be created by inputting text data into a QR code generator. Try scanning some of the QR codes in this video with an app on your phone or tablet to see how they work!

How To: Get the Pixel's Fingerprint Swipe Notification Gesture on Other Devices

Google's new Pixel and Pixel XL smartphones have a feature that puts their fingerprint scanners to use after you unlock your phone—just swipe down on the scanner from any screen, then you'll see your notifications. It keeps you from having to do hand gymnastics to reach the status bar at the top of your screen, and it gives you easy access to quick information, so it's a win-win.

How To: Detect Vulnerabilities in a Web Application with Uniscan

With the number of web applications out there today, it comes as no surprise that there are just as many vulnerabilities waiting for hackers to discover. Finding those vulnerabilities can be a difficult task, but there are plenty of tools available to make the process easier. While it won't help find any zero-days, web scanners such as Uniscan will detect common vulnerabilities.

Hack Like a Pro: How to Scan for Vulnerabilities with Nessus

Welcome back, my tenderfoot hackers! Generally, you will want to perform a vulnerability scan before doing a penetration test. Vulnerability scanners contain a database of all known vulnerabilities and will scan your machine or network to see whether those vulnerabilities appear to exist. If they do, it is your job to test whether they are real and can be exploited.

How To: Make a simple port scanner in VB.Net

This is a Computers & Programming video tutorial where you will learn how to make a simple port scanner in VB.Net. It detects all the open ports on your network. Open up a Form1 and you will have a ListBox1, a ‘Start’ and a ‘Stop’ button and a blank text box. There is also a Timer1 button at the bottom. Thereafter, the video shows the various parts of the code on the screen. Then click on Debugging, and click ‘Start’. The system starts scanning ports starting with port 1. In the video it show...

How To: Lock Apps Using Your Samsung Galaxy S6’s Fingerprint Scanner

Like its predecessor—and probably every device in the future—the Samsung Galaxy S6 comes with a fingerprint scanner that allows for a more secure lock screen, web sign-ins, and account verification. But unlike its brethren, the sensor on the S6 has been vastly improved. No longer does it require a clumsy swipe—all you have to do is place your finger on it for less than a second, much like Touch ID on iPhones.

How To: Snooper-proof your RFID chip loaded wallet

Did you know that malicious people can use scanners to read the Radio Frequency Identification (RFID) chips in your credit cards and identification documents and steal your personal information? Learn to protect your personal information from hackers and scammers with this simple method involving aluminum foil.

How To: Add Unsupported Cards and Passes to Apple Wallet for Quick, Easy Access on Your iPhone

Apple's Wallet app lets you store boarding passes, concert tickets, gym memberships, vaccination cards, movie stubs, rewards cards, insurance info, student IDs, and more in one place on your iPhone, and you just double-click the Home or Side button to access them. Unfortunately, many cards and passes are not officially supported — but that doesn't mean you can't add them.

How To: Scan QR Codes More Easily on Your iPhone

Starting in iOS 11, Apple introduced a QR code scanner for iPhone that's baked right into the Camera app, reducing the need for a third-party scanner. However, not everyone knew it existed, so a lot of users were still using third-party QR code scanners. In iOS 12 and later, Apple addressed the issue, making theirs much more visible, as well as improved QR code scanning in general.

How To: Secure your website with AccessDiver

AccessDiver is a website security scanner. It incorporates a set of powerful features that will help you to find and organize vulnerabilities and weaknesses in your own site. This video tutorial presents a guide to its use. For more information, as well as to get started using AccessDiver for yourself, watch this video tutorial.