Fingerprints

Identifying vulnerable devices and services on a target router can be difficult without leaving logs and other traces of an active attacker on the network. However, there is a way to covertly decrypt and view Wi-Fi activity without ever connecting to the wireless network. Whe ...more

One of the best things about the Samsung Galaxy S3 is the ability to modify the device in countless ways, as with any other Android device. A recent guide on adding softkeys to the GS3 from mod Faisal inspired me to share some information on how to edit build.prop, which is y ...more

Apple's iOS 13 has been available for beta testing since June, and the stable release pushed out to everyone on Thursday, Sept. 19. To help you make the most out of iOS 13 for iPhone, we've rounded up everything you'll want to know, whether a colossal feature, small settings c ...more

Smartphones are like high tech buckets that collect our personal information through constant use. This has some obvious benefits, like getting a more personalized experience with our devices. On the other hand, this data is a tempting target for bad actors looking to make a b ...more

While it's easy enough to take a screenshot of an end-to-end encrypted Telegram chat thread using an iPhone, it's an entirely different story on Android phones. Telegram disables screenshots for Secret Chats by default on Android, and not everyone can turn it on. Sometime in ...more

With the release of iOS 7, the entire Internet was abuzz with what's the exact opposite of excitement as Apple's servers were overloaded, causing many download fails of the new operating system. Since then, many other bugs and issues have arisen that are fairly common with new ...more

With Touch ID enabled, your iPhone needs to scan your fingerprint before you can access your home screen or last app used. Before it unlocks, your iPhone might request that you press the Home button, adding an unnecessary step between you and your data. However, you can turn t ...more

Dark mode is finally rolling out for Gmail on Android. But this is a Google product, so you already know it'll be a while before the server-side update hits most devices. Sideloading the newest APK doesn't work, neither does switching accounts. But if you're rooted, you can en ...more

The Galaxy S5 may be the new kid on the block, with fancy features such as a fingerprint scanner and dust/water protection, but the Galaxy S4 is no slouch by any means. While the S5 may be newer, the S4 remains beast of a device, and few simple mods can make it feel new again. ...more

Welcome back, my budding hackers! With this article, I am initiating a new series that so many of you have been asking for: Hacking Web Applications. In previous tutorials, we have touched on some of the techniques and tools for web app hacking. We looked at web app vulnerab ...more

There are many things Apple doesn't tell you about its products, and that's definitely the case when it comes to its Messages app. Hidden features lurk in your SMS and iMessage conversations just waiting to be found, and we've unearthed some of the most secret ones. Instead o ...more

Anyone who has rooted their Android device has likely used a tool called Android Debug Bridge, better known as ADB, at some point during the process. For most, that is their only interaction with the ADB, but to be a true Android power user, you need to really know the tools a ...more

For all those times when an app either isn't available or simply won't cut it, your phone's internet browser provides access to your favorite websites and services. But some browsers are flat-out better than others, and chances are, the browser that came pre-installed on your ...more

Signal is one of the best end-to-end encrypted messengers on the market. It offers robust security, keeps minimal information about its users, and is free to use. Switching to it as your main messenger can be a bit daunting, so to help, we created a guide to walk you through t ...more

If you need to hack an Android device, try a remote administration tool. Known more familiarly as a RAT, there are open-source RATs that are barebones and exorbitantly priced RATs that are more polished. There are also low-cost and polished RATs that aren't intended to be RATs ...more

I haven't bought into Apple Pay just yet, but I do love the idea of having quick access to passes like loyalty programs, boarding passes, and my Starbucks card. However, for some users, it's impossible to open these passes stored in Apple Wallet on the iPhone's lock screen. Wh ...more

When it comes to cybersecurity, one layer isn't enough. A complex password (or one created with a password manager) does a good job of protecting your data, but it can still be cracked. Two-factor authentication strengthens this by adding a second layer of security, giving you ...more

There are nearly 100,000 unique onion service addresses online with over two million people using Tor every single day. Join me as I explore a small fraction of what the Tor network has to offer. It's puzzling to imagine about 100,000 .onion websites in existence. Readers who ...more

One of Android's biggest strengths, when compared to other mobile operating systems is its open file structure. Google introduced a built-in file manager with Marshmallow that provides basic file management, but like with most apps on Android, there are alternatives. Third-par ...more

There have been concerns with how much personal information Google tracks and all the things they know about us. Of course, that's what makes Google services so useful, they can use that information to cater to each of us individually. So yes, it serves a purpose, but it's not ...more

Whether it's embarrassing pictures and videos on your smartphone, or files you just don't want anyone reading, there are plenty of ways to hide them. For most devices, that means installing third-party apps like Gallery Plus - Hide Pictures, Sectos - Photo & Video Vault, TimeL ...more

Whether we like it or not, our personal information and smartphones are tied together at the hip. The former needs the latter to deliver a personalized experience that matches our individual needs. This personal data, however, makes your phone a prime target for thieves of all ...more

The Galaxy S8 continues to be a treasure trove of hidden features that, with a little digging and experimenting, can be easily unlocked to further enhance your overall experience with the device. DPI scaling, or the ability to adjust the size of on-screen content, is among the ...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

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

Apple just released its biggest update to iOS 17 yet, and there are 60 exciting new changes for your iPhone. With iOS 17.2, you get a brand new app, more Apple Music enhancements, upgrades in Messages, and a new security feature that was announced last year, as well as changes ...more

Hashes are commonly used to store sensitive information like credentials to avoid storing them in plaintext. With tools like Hashcat, it's possible to crack these hashes, but only if we know the algorithm used to generate the hash. Using a tool called hash-identifier, we can e ...more

For anyone using open source information to conduct an investigation, a balance between powerful tools and privacy controls are a must. Buscador is a virtual machine packed full of useful OSINT tools and streamlined for online research. This program can easily be set up in Vir ...more

Samsung's Galaxy series of devices have one common design theme that ties them all together—the physical home button at the bottom of the phone. This button can wake the phone, take you to your home screen, and even scan your fingerprint to securely unlock your device. The on ...more

Unlike traditional backlit LCD technology, OLED screens don't use any power to display black pixels. Many manufacturers have taken advantage of this by implementing an always-on display, which only lights up a few pixels here and there to show relevant info when your phone is ...more

When you hand your unlocked iPhone to somebody so they can use the internet real quick, check out some cool photos, or do whatever, there's a possibility that they could snoop around where they don't belong. If you have some secret recipes, login credentials, intellectual prop ...more

The day I picked up my iPhone 5S was a very exciting day. I had taken all the correct steps in backing up my old device so that after a quick restore-from-backup (which turned into half an hour), I was right at home on the new hardware. Having such a speedy, new fingerprint s ...more

Many guides on Null Byte require using the Secure Shell (SSH) to connect to a remote server. Unfortunately for beginners, learning to use SSH can become a confusing mix of third-party programs and native OS support. For Chrome OS users, using SSH is even more difficult. We'll ...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

An incredible amount of devices use Bluetooth or Bluetooth Low Energy to communicate. These devices rarely have their radios switched off, and in some cases, are deliberately used as trackers for lost items. While Bluetooth devices support MAC address randomization, many manuf ...more

If you're using Telegram for its "Secret Chats" feature, which provides end-to-end encryption for your messages, then I'd highly recommend locking down the app itself with a passcode, PIN, or password. While your phone itself may have a secure lock screen already, if that gets ...more

While modern browsers are robust and provide a lot of functionality, they can be unlocked to do some pretty spectacular things with browser extensions. For hackers and OSINT researchers, these tools can be used to defeat online tracking, log in to SSH devices, and search the i ...more

To use Apple Pay in iOS 8, you had hold your iPhone to the card reader first, and then you could either switch to a different card or pay with your default one. Now, in iOS 9, you can access your Wallet (which replaces Passbook) on the lock screen before you get to the reader. ...more

The Files app received a big update in iOS 13. Before, it was limited to local and cloud-based files, but now you can access data from external storage devices, including SD cards and USB drives. But before you try to connect your favorite card or drive to your iPhone, there a ...more

Remember that scene in The Matrix when Trinity uses a realistic Nmap port scan, followed by an actual SSH exploit (long since patched) to break into a power company? Well, believe it or not, but that scene is not far fetched at all. If you want to exploit vulnerabilities and r ...more

Wi-Fi devices are continually emitting "probe frames," calling out for nearby Wi-Fi networks to connect to. Beyond being a privacy risk, probe frames can also be used to track or take over the data connection of nearby devices. We'll explain how to see nearby devices emitting ...more

With the S9 and S9+ upon us, you maybe wondering if it's time to retire your aging Galaxy and either sell it or do a trade-in to get Samsung's latest flagship. Before you do, however, it's important to make sure that all its components — most notably the sensors — are working ...more

With all of the personal data that's stored on our smartphones, it's of vital importance that we have some sort of lock screen security enabled. One of the Galaxy S5's killer features is obviously the fingerprint scanner. It makes the process of dealing with a secure lock scre ...more

After many beta builds, Apple has finally released iOS 7.1 to the public. It includes bug fixes for the old iOS 7.0.6, along with UI enhancements and even some new features. If you haven't gotten around to playing with iOS 7.1 yet, here are a few of the new features and impro ...more

Your phone's volume panel is one part of the user interface that usually goes unnoticed to themers and developers. With themes capable of changing the look and feel of the fingerprint scanner, keyboard, and other system apps, this central aspect of the UI seems to get lost in ...more

Nearly every native app on the iPhone received an upgrade or new features in iOS 14 — and Safari is no exception. The web browser now has better password protection, faster performance, privacy reports, and built-in translations, just to name a few. Some of the Safari updates ...more

You're a busy, on-the-go professional, so you deserve an email client that keeps up with you. "Mail" on iPhone wasn't always the best option, but thanks to iOS 13, it feels like a completely different app. That said, there are plenty of alternatives that offer a different expe ...more

Samsung has a long-standing reputation for packing their devices with lots of added functionality, and the Galaxy S6 Edge is no exception. It comes with a nifty feature called "Information stream," which allows you to get quick, at-a-glance information by swiping the edge of y ...more

The conversation of which operating system is most secure, macOS vs. Windows, is an ongoing debate. Most will say macOS is more secure, but I'd like to weigh in by showing how to backdoor a MacBook in less than two minutes and maintain a persistent shell using tools already bu ...more

|Choose Your View: Quick Bullet Points | Detailed Descriptions Android's newest major update is a special one — it's the tenth full version of the world's most commonly used operating system. The latest release, dubbed simply Android 10 (codename Android Q), was first showcas ...more

Whichever web browser you use, each comes with a way to surf the net "secretly." While nothing on the internet is truly anonymous, private browsing modes can help keep your movements hidden from those who might have access to your data. The "secret mode" for the Samsung Intern ...more

When you leave your iPhone on a table or anywhere within somebody else's eyeshot, a private message may pop up on your lock screen that could be read by anyone who sees it. But there's a way to keep others from reading your possibly sensitive text messages and emails without g ...more

Welcome back, my hacker novitiates! When we are trying to find vulnerabilities in a website to attack, we need a solid web server vulnerability scanner. Internet-facing web apps can open enormous opportunities for us as they are often riven with vulnerabilities and can often ...more

In recent years, Apple has been pushing health and safety as cornerstones of its technology, and iOS 11 is no exception. Apple's latest entry in its mobile operating system brings a new emergency feature called Emergency SOS, which gives you easy access to contact 911 if you p ...more

The new Samsung Galaxy S8 and Galaxy S8+ phones were announced on March 29 at the Samsung UNPACKED 2017 event. Preorders start on March 30 for the Korean tech giant's latest flagships, and sales officially begin in the US on April 21. Samsung will need a smooth release to win ...more

The Operative Framework is a powerful Python-based open-source intelligence (OSINT) tool that can be used to find domains registered by the same email address, as well as many other investigative functions. This reconnaissance tool provides insight about your target through ex ...more

The iPhone X has a new unlocking mechanism called Face ID, which replaces the old Touch ID system since the phone no longer has a fingerprint sensor. The way it works is simple — you just look at the phone, it recognizes your face, then the system unlocks — so Apple deserves t ...more

These days, that pocket-sized computer we call a smartphone is home to your entire digital life. But with the onset of mobile payments and online banking, the line between your virtual world and the physical realm is becoming increasingly blurred. We vigilantly remember to lo ...more

Okay, so you rooted your Android phone .... now what? There are a few ducks you need to get into a row, like backing up your stock boot image, getting SafetyNet sorted, and improving security with biometrics. But there are also awesome root mods waiting for you — just don't ge ...more

There's no doubt Kali has established itself as the most popular penetration distribution available. However, just because it's the fan favorite of beginners and security researchers doesn't make it right for everyone. Manjaro Linux is a beginner-friendly Arch-based distributi ...more