If you want to follow Null Byte tutorials and try out Kali Linux, the Raspberry Pi is a perfect way to start. In 2018, the Raspberry Pi 3 Model B+ was released featuring a better CPU, Wi-Fi, Bluetooth, and Ethernet built in. Our recommended Kali Pi kit for beginners learning e ...more
A powered-off Windows 10 laptop can be compromised in less than three minutes. With just a few keystrokes, it's possible for a hacker to remove all antivirus software, create a backdoor, and capture webcam images and passwords, among other highly sensitive personal data. The ...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
Your social security number, credit card information, and medical history can fall into the wrong hands if you're not careful about how and where you share your data online. If you really care about your data, there are tools and techniques you can utilize to protect yourself ...more
The only thing better than programming MicroPython is programming MicroPython over Wi-Fi. So once you set up MicroPython on a microcontroller and have it on its own power source, you won't need to use a data cable to connect to it whenever you need to interact with it, program ...more
A hacker with privileged access to a Windows 10 computer can configure it to act as a web proxy, which allows the attacker to target devices and services on the network through the compromised computer. The probes and attacks appear to originate from the Windows 10 computer, m ...more
Kali Linux is probably the most well-known hacking distribution among penetration testers. However, there are alternative distros which offer versatility and advanced package management systems that are absolutely worth considering. One such distribution is Pentoo, a Gentoo-b ...more
Before you can dive into customizing your OnePlus 6T, you must take the initial step of unlocking the bootloader to gain the ability to install TWRP, Magisk, custom ROMs, and other mods. A bootloader is a program that starts up on a device that states what operating system it ...more
As penetration testers, we sometimes need to securely store customer data for prolonged periods. Bruteforce-resistant, vault-like containers can be created with just a few commands to protect ourselves from physical attacks and unintended data disclosures. The subject of cryp ...more
If you somehow forgot the pattern, PIN, or password that locks your Android device, you might think you're out of luck and are destined to be locked out forever. These security methods are hard to crack by design, but in many cases, it's not entirely impossible to break into a ...more
While password cracking and WPS setup PIN attacks get a lot of attention, social engineering attacks are by far the fastest way of obtaining a Wi-Fi password. One of the most potent Wi-Fi social engineering attacks is Wifiphisher, a tool that blocks the internet until desperat ...more
Though you can use the Social Engineering Toolkit to clone websites, this way is much more customisable. For example, you could send the credentials your victim enters to a script that mails you notifying you of new data someone's just entered, or automatically store them in ...more
Sophisticated hackers have been exploiting vulnerabilities in Chrome and Firefox to trick even the most careful internet users into logging into fake domains for sites like Apple, Google, and Amazon. Typically, a careful internet user would always check the domain of any site ...more
Do you ever wonder how all these celebrities continue to have their private photos spread all over the internet? While celebrities' phones and computers are forever vulnerable to attacks, the common folk must also be wary. No matter how careful you think you were went you sent ...more
Kali Linux, by default, probably doesn't have everything you need to get you through day-to-day penetration testing with ease. With a few tips, tricks, and applications, we can quickly get started using Kali like a professional white hat. Most Linux distributions are highly c ...more
Privacy and security go hand in hand, especially for smartphones. When it comes to privacy, you decide what personal information about yourself is out there to discover. Security, on the other hand, is all about enforcing those privacy decisions. Sometimes privacy and securit ...more
Apple released the new Mac OS X 10.10 Yosemite in the Mac App Store for everyone to download and install for free on October 16th, 2014, but downloading a 5+ GB file for each of your computers will take some serious time. The best thing to do is download it once and create a b ...more
Steganography is the art of hiding information in plain sight, and in this tutorial, I'll show you how to use Steghide — a very simple command line tool to do just that. In addition, I'll go over a bit of conceptual background to help you understand what's going on behind the ...more
Downgrading your iPhone from iOS 8 beta back to iOS 7.1.1 is a really simple process, and a very necessary one if you're experiencing frozen screens and apps that either unexpectedly quit or don't even work at all. In my experience, any app that uses Safari to bring up pages, ...more
Whether it's because you have nosy family and friends or you're just cautious about losing your device, having a passcode on your Android smartphone is essential for protection. However, you don't always need or want a passcode, especially when you're home alone or in your car ...more
It can be extremely frustrating when you've forgotten the pattern you use to lock your smartphone, and even more so if someone has managed to prank you by changing it. Luckily, there's an easy fix if you know the username and password for the Gmail account you used to set up t ...more
If it has an internet connection, it's got a huge attack surface for hackers. But what makes your phone even more dangerous is its portability and the collection of sensors it houses that can be just as good at tracking you as the camera and mic. That is why one of the first ...more
The next big iOS version for iPad, iPhone, and iPod touch was revealed by Apple at WWDC 2018 and dropped for everyone on Sept. 17, 2018, less than a week after Apple revealed the new iPhone lineup. We've rounded up all the big picture items and secret features and changes we c ...more
Starting with Android 9 and 10, Google made privacy and security the main priorities for Android updates. Both versions brought numerous changes to help erase the notion that Android isn't safe, but Android 11 might even have them beat. In Android 11, Google is building upon ...more
Smartphones are vital travel companions. While you're on the go, they connect you with loved ones back home, help you find tickets and passes for tourist attractions, and make it easy to find your way through foreign roads — but even the most powerful smartphone could use help ...more
Hacker's are always looking for new ways to exploit systems and exfiltrate passwords, even in hashed form. Sophisticated brute-force attacks powered by high-end GPUs can perform millions of password attempts per second. But Ubuntu and Debian users aren't completely helpless. T ...more
Since the San Bernardino shooting in 2014, Apple's been engaged in a game of cat and mouse with law enforcement. Authorities want access to evidence on criminals' iPhones, but Apple wants to protect all of its customers' personal data equally. The latest installment in this sa ...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
Android has several features built into the platform that improve user experience but require extra attention to prevent a security breach. By modifying these settings, you can drastically reduce the possibility of someone exploiting your device or intercepting information. B ...more
There are two types of bad USBs out there. One lets you trick the computer into thinking it's a keyboard or other USB device, and the other goes straight over malicious into computer killing territory. Last year, Russian security researcher Dark Purple designed a USB stick th ...more
Hello everyone. I'm Calypsus and i've been around for a while learning from various tutorials, expanding my knowledge and this is one of the best platforms for newbies to sharpen the skills. Today i decided to register myself and contribute to this wonderful community. Since t ...more
You can beef up the security on your Mac all you want, but all the firewalls and antivirus apps in the world mean nothing when that can of soda tips over on your Macbook, destroying your laptop and all its data forever. You may have some of your data backed up to a cloud serv ...more
Hi, dear co-apprentices and wise masters. I've been recently trying to learn the basics to hacking here, and I've read all guides on Wi-Fi hacking and noticed no word is dedicated to this awesome script that comes bundled with Kali! Okay, it may be a potential skiddie toy, bu ...more
Each day, we read about another security breach somewhere in our digital world. It has become so commonplace that we hardly react anymore. Target, J.P. Morgan, iCloud, Home Depot, and the list goes on and on. Those are just the big ones that get reported in the news. Millions ...more
People who know that I am a professional hacker often ask me what they can do to make their computers and personal information safe from people like me. The answer, of course, is that nothing will make you completely safe, but there are a number of measures any computer user c ...more
Back in August, Google introduced Android Device Manager. This new service allowed you to locate, lock, or wipe a lost or stolen Android device from either a companion app or a web interface. Effectively, this is the "kill switch" that legislators are clamoring for. So, as ow ...more
Starbucks' app is the most used mobile payment app in the U.S. because it's well-designed and convenient. But if you use the iOS version on your iPhone, your username, email address, password and location data could be compromised because the app stores them in plain text. UP ...more
Want to take advantage of your neighbor's super fast Wi-Fi connection? If they're smart, they probably have it password protected (otherwise you wouldn't be reading this, would you?). But if you have an Android phone, you can get back at them for always parking in your spot an ...more
Every summer for the last 26 years, hoards of hackers have descended on the Las Vegas Strip for DEFCON, the biggest hacker conference in the US. There's a wealth of talks every season (DEFCON 27 has at least 95 scheduled), and there have been some essential topics to learn fro ...more
There has been significant debate over law enforcement's right to access our digital devices in recent years. New tools from Grayshift and Cellebrite are popping up faster than ever to help government agencies, as well as traditional hackers, break into iPhones. If you're conc ...more
Beginners learning brute-forcing attacks against WPA handshakes are often let down by the limitations of default wordlists like RockYou based on stolen passwords. The science of brute-forcing goes beyond using these default lists, allowing us to be more efficient by making cus ...more
This time it's serious. Really. The largest web security vulnerability of all time went public on Monday, April 7th, 2014, resulting in widespread panic throughout the Internet as system administrators scrambled to secure their websites from the OpenSSL bug known as Heartblee ...more
It feels like just yesterday Apple unveiled iOS 13 to the world, introducing game-changing features like system-wide dark mode and enhanced editing tools in Photos. But WWDC 2020 is rapidly approaching, which means iOS 14 is as well. As it turns out, we don't need to wait for ...more
Apple's upcoming iOS 17 is expected to include many new features first seen on Android, but there are also some exciting, unique features that Android needs to steal pronto. It's common practice for Apple to adopt new features for iOS that were first seen on Android, but the ...more
If you've spotted an unintended Ethernet connection and wondered what you could do with all of the information coursing through those wires, there's an easy way to hack into it and find out. Let's say there's a router that we need to know the password for, and we have physica ...more
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 othe ...more
If you're on iOS 11.4.1 or iOS 12 and go more than an hour without unlocking your iPhone, an "Unlock iPhone to Use Accessories" message will appear whenever you connect your iPhone to a computer or other device that tries to use the Lightning cable's data lines. This is to pro ...more
Apple's goal with iOS 12 is to smooth out the problems with its famously flawed predecessor. Of course, change isn't for everyone, and by iOS 11.4.1, Apple had a pretty stable thing going. If you're not digging all the bugs and new features included in iOS 12, here's how to do ...more
The Play Store hasn't been the most secure place for apps lately. A quick Google search for "Play Store malware" will give you a taste of some of the malicious apps that snuck their way onto Android's official app store. Google is aware of the problem and they're tying to fix ...more
When you misplace your Android device, finding it with the Android Device Manager, or even better, Whistle Me, can help you find it no problem. But what about when your phone is not just hiding under the couch cushions? Your worst nightmare just came true. It's officially gone ...more
Incorporating features such as CarPlay, UI enhancements such as the new call screen, and several bug fixes, iOS 7.1 was the first major update to Apple's operating system since iOS 7 was released in June of last year. Now Apple has released a seemingly small update in the for ...more
Unless you've been living under a rock with no internet connection, it's safe to say that you've heard of the Heartbleed flaw that allows practically anyone with the right knowledge to steal your personal information, such as passwords, credit card numbers, and e-mail addresse ...more
Last week, Apple issued an iOS 7.0.6 update that fixed a serious security vulnerability that could allow hackers to steal passwords, read emails, and get info from other SSL-encrypted communications. Why You Should Update Your Device SSL, which stands for Secure Sockets Laye ...more
What's your Twitter handle worth? If it's considered "desirable" (aka short and simple), it'll get you around 100 bucks, or, if you prefer, the affections of a teenage girl. A user with the handle @blanket found out the hard way that Twitter's security is atrocious when his a ...more
Earlier this week, Spiderlabs' vulnerability researcher Jonathan Claudius discovered a key in Windows 7 and 8 registries that makes it easy for anyone with physical or remote access to a computer get a hold of the user's password hints. When the "UserPasswordHint" key is read, ...more
Apple last month released iOS 17.2, its biggest iPhone software update since iOS 17.0, with 60 new features. Now, as of Jan. 22, we have iOS 17.3. Overall, it's not the behemoth software update that iOS 17.2 was, but it has a few exciting new things you'll definitely want to k ...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
You watched the live stream, pored over the specs, and are now super excited for the Google Pixel 4. But specs don't tell you everything. After using the Pixel 4 XL for over a week now, we've found several things you wouldn't know without getting your hands on the phone. Most ...more
Apple has seemingly always made it a priority to show how much it cares about user security and privacy — enough that it has a page dedicated to it, proclaiming that "privacy is a fundamental human right." It's true that there are few issues more important than user privacy wh ...more
Apple's update for iOS 13 is not without bugs and other issues, and if those problems become annoying or impede your ability to use your iPhone like usual, you may want to downgrade. Hundreds of new features may not matter if you can't use your iPhone like it's meant to be. T ...more