Password on Your Bios on Boot

The Galaxy S5's fingerprint scanner feels like something straight out of a sci-fi movie. Giving you the ability to lock your device without having to fuss with a PIN or password every time you go to use it, the feature is definitely one of the device's main selling points, esp ...more

Welcome back, my budding hackers. So many of you are interested in hacking Wi-Fi that I have decided to revisit my Wi-Fi Hacking series with some updated and more in-depth material. I strongly suggest that you look at some of my earlier posts, such as "Getting Started with Te ...more

When people first learn that their Android device is capable of dual-booting different operating systems, e.g. Linux, they almost universally respond with, "That's so cool." And for those of us ambitious enough to actually try one out, we are typically filled with glee as we s ...more

The new LG G3 is the latest Android flagship-level device to be released this year, and it's ready to give the Galaxy S5, HTC One M8, and the OnePlus One a run for their money. Sporting a gorgeous 5.5-inch QHD display, 3GB of RAM, and a huge 300mAH battery, the device looks gr ...more

From personal photos and videos to online banking passwords saved in your web browser, your phone has all kinds of sensitive data that needs to be protected. One of the best things you can do for your Samsung Galaxy S4's data is have a lock screen with a hard-to-guess PIN or p ...more

For those needing to replace old controller hardware on cutting mills, those into native retro gaming, or for those who want to see what all the fuss was about in the 1980's, or for those who just want a play with old but great technology, this tutorial shows you step-by-step ...more

When you don't have a steady cellular signal or immediate Wi-Fi access but need to communicate with others around you, you can set up an off-the-grid voice communications network using a Raspberry Pi and an Android app. There are apps such as Bridgefy that will create a mesh ...more

A virtual private network is a necessary part of your arsenal if you're insistent on surfing the web privately and securely on your iPhone. The App Store is littered with hundreds of different VPN services that encrypt traffic and mask your IP address, but what they all have i ...more

If you're worried about the security of your Mac, there are easy measures to prevent the most dangerous attacks. Named after the tactic of accessing an unattended computer in a hotel room, we can thwart "evil maid" attacks with Do Not Disturb and LuLu, free macOS tools by Obje ...more

There are many ways to attack a Wi-Fi network. The type of encryption, manufacturer settings, and the number of clients connected all dictate how easy a target is to attack and what method would work best. Wifite2 is a powerful tool that automates Wi-Fi hacking, allowing you t ...more

Perhaps you've thought about rooting your OnePlus 5, but thought again when you heard SafetyNet would prevent you from using apps like Google Pay, Pokémon GO, or Netflix. Those are valid struggles when you root using traditional methods. There are no such worries when using Ma ...more

Although the Essential PH-1 got off to a rocky start, thanks to steady updates, it has slowly become one of the best Android phones to come out in recent years. For $499, the Essential Phone is a cheaper Pixel, receiving updates almost as soon as the Pixel lineup does. What's ...more

Bluetooth Low Energy (BLE) is the de facto wireless protocol choice by many wearables developers, and much of the emerging internet of things (IoT) market. Thanks to it's near ubiquity in modern smartphones, tablets, and computers, BLE represents a large and frequently insecur ...more

Recently, I ran across SecGen, a project which allows a user to create random vulnerable machines. I absolutely love vulnerable machines, since a vulnerable VM is a safe and legal way to practice hacking tactics, test out new tools, and exercise your puzzle-solving skills. Wh ...more

We're nearly done getting our Mac set up for hacking. If you haven't checked out previous tutorials, I'd recommend you do so first before diving right into this one. While macOS is a powerful POSIX-compliant operating system, some of our Linux tools do not work out of the box ...more

I am very new to Null Byte but I find much of its content and community incredibly interesting. I spent quite a bit of time just chronologically going through the posts and I noticed a common theme in many of the beginner posts. Many people seem to want to know the 'secret' or ...more

Welcome back, my apprentice hackers! As many of you know, I have been hesitant to adopt the new Kali hacking system from Offensive Security. This hesitancy has been based upon a number of bugs in the original release back in March of 2013 and my belief that BackTrack was easi ...more

For a hacker, there are a lot of advantages to creating a fake network. One advantage forces nearby devices to use their real MAC address if you happen upon a network that's stored in their preferred network list. There are a lot of tools out there for creating fake access po ...more

The hugely successful S10 series of flagships may be a tough act to follow, but Samsung has proven that it's up to the task with the Galaxy Note 10. The latest phablet bearing the Note name is the first of its line to come with an even larger variant, and boasts an eye-pleasin ...more

With an inconspicuous Android phone and USB flash drive, an attacker can compromise a Windows 10 computer in less than 15 seconds. Once a root shell has been established, long-term persistence to the backdoor can be configured with just two simple commands — all while bypassin ...more

What if you could easily visualize which access point every Wi-Fi device nearby is connected to in a matter of seconds? While programs like Airodump-ng can intercept this wireless information, making it easy for hackers to use and understand is another challenge. Fortunately, ...more

While installing the new Android 9.0 Developer Preview is fairly easy if you're using a Windows machine, it's a little trickier if you want to use macOS instead. To help you get the latest Android OS on your Google Pixel phone, we'll break down the whole process so using your ...more

After testing a series of Android 8.0 builds, Essential hit the reset button and jumped to Android 8.1 Oreo. The beta program didn't last long, as Essential has now released the official 8.1 update to the masses. The features from the 8.0 betas are all still there, plus a few ...more

Being able to write your own hacking tools is what separates the script kiddies from the legendary hackers. While this can take many forms, one of the most coveted skills in hacking is the ability to dig through the binary files of a program and identify vulnerabilities at the ...more

When hacking into a network during a penetration test, it can sometimes be useful to create your own wireless AP simply by plugging a Pi into an available Ethernet port. With this setup, you have your own backdoor wireless connection to the network in a matter of seconds. Crea ...more

In 2013, Offensive Security released Kali Linux, a rebuild of BackTrack Linux derived from Debian. Since then, Kali has gone on to become somewhat of a standard for penetration testing. It comes preconfigured with a collection of tools accessible by a menu system, tied togethe ...more

It's no secret that devices leak data, but sometimes they do so in ways you may not expect. Your phone, laptop, printer, and IOT devices leak Wi-Fi information that can (and is) used to track you. Today, we'll make a Wi-Fi probe logger with Probemon.py to track nearby devices ...more

Jailbreaking gives you root access to the iOS file system, allowing you to install third-party apps and tweaks on your iPhone that aren't available in the App Store. It opens up a whole new realm for what your device can do, but it can also cause instability across the system ...more

With a cheap computer, smaller than the Raspberry Pi, an attacker can create a remote hacking device. The device can be attached to a target router without anyone's knowledge and enable the hacker to perform a variety of network-based attacks from anywhere in the world. As th ...more

It's easier than you might think to hack into Wi-Fi routers using just one unrooted Android phone. This method doesn't require brute-forcing the password, a Windows OS for converting PowerShell scripts into EXE format, a reliable VPS for intercepting hacked Wi-Fi passwords, or ...more

Equifax reported on Sept. 7 that it discovered a breach on July 29 which affects roughly half of Americans, many of whom don't realize they have dealings with the company. Hackers got away with social security numbers, addresses, and driver's license numbers, foreshadowing a " ...more

Aircraft equipped with ADS-B are constantly shouting their location into the radio void, along with other useful unauthenticated and unencrypted data. In this guide, we will make an ADS-B receiver using a Raspberry Pi with a software-defined radio (SDR) dongle, which we can us ...more

When setting up a Raspberry Pi, it's easy to overlook changing the default password. Like many IoT devices, the Raspberry Pi's default Raspbian operating system installs with a widely-known default password, leaving the device vulnerable to remote access. Using a tool called r ...more

Some phone lines make it nearly impossible to get past the busy tone, whether it's a viral call-in giveaway, your state's unemployment office, your local post office during the holidays, or the repair office for a broken warrantied product you have. Thankfully, there are apps ...more

While it's rare, there could be a day when your iPhone 12, 12 mini, 12 Pro, or 12 Pro Max isn't responding, where taps and swipes on the screen do nothing, and the Side button won't let you force a restart. The culprit could be any number of problems, from corrupted files to b ...more

After an update on Sept. 22, 2020, the Checkra1n jailbreaking tool expanded its compatibility to include iOS 12.0 to iOS 12.2, as well as iOS 13.5.1 to iOS 13.7. More importantly, however, it now can jailbreak iOS 14 on select iPhone models, with more support coming soon. The ...more

Your phone's keyboard is one of the most commonly used apps. Whether you're typing out status updates, sending private messages, or just bombarding everyone in sight with as many emoji as you possibly can, you probably couldn't get by without a good keyboard app. Since Androi ...more

Individually addressable LEDs, also commonly called "NeoPixels" after the popular Adafruit product, are a bright and colorful way to get started with basic Python programming. With an inexpensive ESP8266 or ESP32 microcontroller, it's easy to get started programming your own h ...more

You've protected your Ubuntu system from physical attacks, annoyed network hackers, and sandboxed potentially malicious applications. Great! Now, the next logical steps to locking down your OS include thoroughly auditing Ubuntu for weak points, using antivirus software that re ...more