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How To: Use the USB Rubber Ducky to Disable Antivirus Software & Install Ransomware

Ransomware is software that encrypts a victim's entire hard drive, blocking access to their files unless they pay a ransom to the attacker to get the decryption key. In this tutorial, you'll learn how easy it is to use the USB Rubber Ducky, which is disguised as an ordinary flash drive, to deploy ransomware on a victim's computer within seconds. With an attack that only takes a moment, you'll need to know how to defend yourself.

How To: Save Battery Life by Activating Doze Mode Faster on Android Marshmallow

Of all the new features in Android 6.0 Marshmallow, an automatic battery-saving function called "Doze" might just be the most interesting. What it all boils down to is that if you set your phone down on a flat surface, the device uses internal sensors to detect that it's motionless and not in use, then responds by drastically scaling back battery-sucking services until the next time you pick your phone up.

How To: Use Meterpeter on OS X

Hello all, this is my first submission to null byte! I noticed something a little strange, particularly that whenever Meterpreter is discussed, it is virtually always in the context of Windows. Granted, the Windows Meterpreter is more powerful than the version that can run on OS X (it has several more commands/options), but I think it is still worth noting how to do it. I've even seen some people mistakenly say that Meterpreter can only be run on Windows, which is not true. Meterpreter can ea...

How To: Back Up & Restore Your iPhone Without iTunes

Enabled from the moment you first booted up your device, there's a feature deep in the iPhone's settings that automatically backs up your device in the background. As long as you're connected to Wi-Fi and a power source and your screen is locked, your photos, text messages, apps, and everything in-between gets safely stored to your iCloud account.

How To: Unlock a Hidden Network Strength Meter for Your iPhone's Status Bar

The horizontal dotted icon in your iPhone's status bar serves as an indicator of your device's network strength. And while it does help provide an approximation of how strong your signal is, swapping it out to display an actual numeric value is a lot more precise and can change up the look of your iPhone (or at least the status bar). The process is quick, painless, and you don't even need to jailbreak your phone.

How To: Disable the Lock Screen on Windows 10

If your PC setup includes a mouse and keyboard, you'll be happy to know that most of the touchscreen-first features of Windows 8 have gone by the wayside in Windows 10. Where it once required awkward gestures to access key features, Windows now recognizes when you're using a traditional desktop or laptop, then responds by making sure that all features can be easily discovered with clickable buttons and menu entries.

How To: Tutanota for Android, iOS, & Web Keeps Your Emails Private with End-to-End Encryption

In the wake of the NSA scandal and celebrity-photo hacks, lots of people scrambled to find more-secure ways to send text messages, share emails, and surf the internet. Known for their incredibly secure data networks, Germany's email services saw a remarkable increase in new users from across the world. Last year, we covered Sicher, a German app that lets you send and receive encrypted self-destructing messages on your smartphone.

How To: Use the Much-Improved Face Unlock Feature in Android Lollipop

I think it's safe to assume that most of us appreciate a little privacy and security when it comes to our mobile devices, which is exactly why we have lock screens that require unique passwords, patterns, or PINs. Although someone can discretely peer over your shoulder to see what your password is, it's much more difficult for them to duplicate your face to unlock the device.

Hacker Hurdles: DEP & ASLR

This is the first installment in a new series that I am calling "Hacker Hurdles." These are things, methods, techniques that make our job as hackers more challenging and difficult. Don't misunderstand me, these items don't make our task impossible, but rather more challenging and, therefore, more gratifying when we are successful. One of the most important new hurdles for hackers is DEP and ASLR. Data Execution Prevention (DEP) and Address Space Layout Randomization (ASLR) are designed to pre...