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News: Unencrypted Air Traffic Communications Allow Hackers to Track & Possibly Redirect Flights

Considering how often many of us fly on commercial airlines, the idea that a hacker could somehow interfere with the plane is a very scary thought. It doesn't help to learn that at Defcon, a researcher found that the Automatic Dependent Surveillance Broadcast (ADS-B), transmissions that planes use to communicate with airport towers are both unencrypted and unauthenticated.

How To: Spot Fake Businesses & Find the Signature of CEOs with OSINT

Businesses leave paper trails for nearly every activity they do, making it easy for a hacker or researcher to dig up everything from business licenses to a CEO's signature if they know where to look. To do this, we'll dig into the databases of government organizations and private companies to learn everything we can about businesses and the people behind them.

News: How to Study for the White Hat Hacker Associate Certification (CWA)

Since I first announced the new Null Byte recognition for excellence a few weeks ago, several of you have written me asking, "How can I study for this certification exam, and what material will be covered on the exam?" Now I have an answer for you. The White Hat Hacker Associate (CWA) will cover 14 domains or areas. Everything you need to know is here on Null Byte. There will be no questions that are not covered here on this site, guaranteed.

Tasker 101: 5 Useful Profiles to Help Get You Started with Android Automation

When it comes to automation apps on Android, Tasker is still the king of the hill. For a price of $2.99 on the Google Play Store, it's a great buy for any would-be tinkerer that would like to get into automating actions on their Android device. Then, when you consider that there's a free 7-day trial version available, there's almost no reason that you shouldn't at least test the waters with Tasker.

How To: Use Agilent's probes for oscilloscopes

In this brief video tutorial, you'll see how to properly use Agilent's InfiniiMax Active Probes for oscilloscopes, with multiple probe heads to connect to your high speed signals under various probing use models. First, begin by learning to use Agilent's Browser Probe Head under both handheld and probe stand use models. Also, see the use of their Solder-In Probe Head and the Socketed Probe Head. Then they conclude by showing how to use the SMA Probe Head.

How To: Give a dog enough exercise

Dogs have been bred to be very active, and are most likely not getting enough physical activity. A lot of bad behavior stems from a dog's boredom or restlessness. Watch this video pet training tutorial and learn how to give a dog enough exercise.

How To: Add fake tattoos in Photoshop

Open another canvas. It doesn't matter what size you make it, as long as it is the same size or bigger than the area you want it to cover on the image. Open a new canvas by going to "File" and clicking "New." Select your dimensions and click "Okay."

How To: Make green pizza

This pizza is tasty any time of the year, but its green color makes it a fun treat for St. Patrick’s Day. Especially if your family turns up their noses at corned beef and cabbage! Check out this Howcast video tutorial on how to make green pizza.

How To: Make a crusty and crispy French bread

With a stand mixer, making bread has never been easier. So, if in the past, you've shied away from making bread because of its complicated process, you don't need to worry anymore, especially with this crusty French bread. But don't be fooled by the crisply baked (but delicious) crust, the inside is so soft it will melt in your mouth. Check out this full video recipe for crusty French bread.

How To: Create a Facebook fan page for your business

This tutorial is in response to mail to Facebook. Scott Wilde leads you through the process. You can start by creating a brand new profile page. In this case, Mr. Wilde created a profile page for his dog Java Wilde so he could have a fresh new page without having to alter his initial profile page. Fan pages are different than your base profile. Your base profile is not indexed, it is not public, it is private and limited to 5000 friends. A fan page is unlimited up to millions of fans and it c...

How To: Securely Sniff Wi-Fi Packets with Sniffglue

Sniffing packets over a network is an easy way for hackers to gather information on a target without needing to do much work. But doing so can be risky if sniffing packets on an untrusted network because a payload within the packets being captured could be executed on your system. To prevent that, Sniffglue sandboxes packet sniffing to provide an extra layer of security.

How To: Understand & Use IPv4 to Navigate a Network

You may not know it, but the IPv4 address of your computer contains tons of useful information about whatever Wi-Fi network you're on. By knowing what your IPv4 address and subnet mask are telling you, you can easily scan the whole network range, locate the router, and discover other devices on the same network.

How To: Use an ESP8266 Beacon Spammer to Track Smartphone Users

Smartphones and laptops are constantly sending Wi-Fi radio signals, and many of these signals can be used to track us. In this guide, we'll program a cheap IoT device in Arduino to create hundreds of fake networks with common names; This will cause nearby devices to reveal their real trackable MAC address, and it can even let an attacker take over the phone's data connection with no warning.

How To: Chat with Friends on Messenger Without a Facebook Account

For some of you, whether or not to delete Facebook is a daily struggle. One reason you might not have pulled the trigger on your Facebook account yet could be because of Messenger, which provides millions of people with different devices an easy way to communicate with each other. But here's a secret you might not know: you don't need to have a Facebook account to use Facebook's popular chat app.

How To: Add a Google Cast Button to Your Quick Settings Tiles on Any Phone — No Root Needed

Android's Quick Settings menu gives you easy access to certain actions from any screen, but the tiles available are largely dependent on your phone's OEM skin. For instance, the Google Cast button that can cast your entire screen has been exclusive to Nexus and Pixel devices, even though other phones have the requisite software to use it. Fortunately, there's a way to add it on any device running Nougat or higher.

News: Strep Bacteria a Deadly Participant in Development of Colorectal Cancer

Colorectal cancer — cancer of the colon or rectum — is the third most commonly diagnosed cancer in the US. To reduce the chances of a diagnosis we are all urged to stop smoking, keep our weight down, decrease our intake of alcohol and red meat, keep active, and get screened for colon cancer. But, new research has found something that participates in the development of colorectal cancer that might not be as easy to control: A strep bacteria that promotes tumor growth.

How To: Record Your iPhone's Screen with Audio — No Jailbreak or Computer Needed

The only official way to record your iPhone's screen before iOS 11 was to hook it up to a Mac and use QuickTime Player to do the recording for you. If you wanted to record your iPhone's screen without an external device, there were unofficial apps you could use, like AirShou, but they required complicated installations. Now, in iOS 11, iOS 12, and iOS 13, Apple has an official, native screen recording tool.