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With Apple's Yosemite build of Mac OS X came Continuity, a feature that has allowed us to connect our mobile devices to our computers, letting us access apps, send text messages, answer phone calls, and more while seamlessly switching from one device to the other. Pushbullet, ...more

In response to the success of Apple Pay and an attempt to stave off the appealing Samsung Pay service, Google is completely revamping Android's mobile payments system. Instead of just using Google Wallet as an app to make payments with your phone, a new service called Android ...more

Solving a Dilemma This is a simple how-to for a cost effective drip irrigation system for your garden. My motivation to set up my garden for drip irrigation was pretty simple. In the summer, it gets to 90+ degrees outside, and my 50’ garden hose didn’t reach the far extents w ...more

Over the years, I have enjoyed playing with Asterisk. I have found Asterisk to be extremely powerful and fun to play with. There are several books and many scattered how to articles out there, but most are outdated and the information required to build Asterisk from beginning ...more

Mobile payment systems have been around for almost 5 years now, starting with Google Wallet. But when Apple got into the game last year with their new Apple Pay service, things really started to take off. Around this time, Samsung responded by acquiring an up-and-coming mobile ...more

We recently showed you 8 menu bar apps that ever Mac power user should have, covering apps that allow you to control iTunes, eject drives, organize screenshots, and more—all from that tiny strip at the top of your screen. But when it comes to the menu bar, we only began to sc ...more

There are countless tutorials online that show how to use Netstat and Tasklist to find an intruder on your computer. But with a few PowerShell functions, it's possible for a hacker to evade detection from the almighty command line. Before we dive into the technical sections, ...more

If you want to carry a variety of network adapters without looking suspicious, a perfect solution is accessing them through Airserv-ng. Tucked away in the Aircrack-ng suite, this tool allows a hacker to plug any number of network adapters into a Raspberry Pi and access them ov ...more

When it comes to webcams these days, most people are using their laptops over desktops. The cameras are centered, integrated, and require no configuring. They're a cinch and usually have great resolution. So, then what do we do with all of those old wired desktop webcams that ...more

This is my attempt to show people some cool things we can do with programming, and to give a small incentive for people to join the weekly Community Bytes. I wanted to make a tutorial on how to use Twitter from the command line with Python. This would have been an easy project ...more

Browser extensions are extremely useful since they can expand web browsers like Google Chrome and Mozilla Firefox beyond their built-in features. However, we don't always know who's behind a browser add-on or what it's doing beyond what's advertised. That's where ExtAnalysis c ...more

I was kinda disappointed with last year's James Bond movie, Skyfall. Don't get me wrong, it was a solid flick, but only made me jealous with all its super spy hacker stuff. So, I figured it was time to add some Bond to my daily life by beefing up on my data deletion know-how, ...more

When you first become interested in learning how to program, it can be difficult to find a place to start. A lot of questions come up, especially if you're new to the idea of programming entirely. After you pick which language you want to learn, you have to worry about how you ...more

Japanese artist Motoi Yamamoto's medium of choice is none other than your simple household table salt, fragile and completely ephemeral. Yamamoto creates beautiful installations with the medium, salt being a strong symbol in Japanese death culture (as well as several other cul ...more

Earlier this year, we got our first taste of Android Pie in the form of Developer Preview 1. As with all past Android previews, DP1 was limited to Google devices — but at Google I/O 2018, Google announced that Developer Preview 2 would be accessible to other devices, including ...more

This is finding some of your vulnerability using Lynis. This tool Lynis is used on Unix and Linux type operating systems (sorry windows). So lets get started What Is Lynis and How to Install Lynis is a security checking tool which can help you harden your security defenses. ...more

So, you rooted your Pixel 2 or 2 XL and everything seems to be working quite well. However, a month passes, and you get a notification to install the monthly security update. Like clockwork, Google has been pushing out OTA security patches every single month for a while, but t ...more

We are most certainly not machines. We all need some downtime every once in a while to set our sanity scales back in balance, which in turn, makes us more productive workers. This is a premise that several forward-thinking employers fully understand, but these types of compani ...more

SSH local forwarding is a must for covering your tracks and getting out there to do your work. Also called SSH tunneling, this process will put one or more steps between your machine and the machine you're working on, for security and other purposes. It can be a bit daunting f ...more

Malware often disguises itself inside of seemingly non-malicious files, such as installer packages, where it can then gain root access to your computer to track activity or steal your information. While your Mac does a good job of protecting you, thanks to built-in features l ...more

GRUB, or the GRand Unified Bootloader, is a program that installs to your Master Boot Record and controls what operating system you load at boot time. Normally, it is used for multi-boot systems. Multi-boots allow you to switch between operating systems installed on seperate d ...more

The dock has been a staple of Mac OS X since its creation and not much has been needed to improve its functionality, but when you add theming to the mix, you can run into some issues. At times, I have my Mac set up with a particular theme that doesn't need a dock taking up pr ...more

Network enumeration is one of the essential phases of an attack, but it can take a lot of time and effort depending on the size. We've all been spoiled by Nmap and similar tools, and while there is a learning curve involved, they are extremely useful. But there's also GoScan, ...more

With the Wigle WiFi app running on an Android phone, a hacker can discover and map any nearby network, including those created by printers and other insecure devices. The default tools to analyze the resulting data can fall short of what a hacker needs, but by importing wardri ...more

A macOS computer can reveal a lot of information about the owner, including which Wi-Fi network they have permission to access. With an Arduino-based attack, we'll use a five-dollar setup to inject a rogue Wi-Fi network and steal the list of trusted Wi-Fi networks, allowing us ...more

Android 11 won't be available as a beta update for Pixel devices until May 2020. Until then, the only way to try the latest Android version is by manually installing it. Usually, this means carrier models are left out since their bootloaders are locked, but there's still a way ...more

We're officially seeking Null Byters on a weekly basis who are willing to take the time to educate the community. Contributors will write tutorials, which will be featured on the Null Byte blog, as well as the front page of WonderHowTo (IF up to par, of course). There is no ne ...more

Pixels don't have a "Download Mode" like Samsung Galaxy phones, so there's not an easy, point-and-click way to send firmware files and low-level commands from your computer. What they do have is an even more powerful tool: Fastboot Mode. Also known as Bootloader Mode, this is ...more

There are two main ways to view how much battery is remaining on an iPhone: the battery level icon and battery percentage. Out of the box, the second-generation iPhone SE only shows the battery level icon in its status bar, which only gives you a rough idea of how much juice i ...more

In the iPhone modding scene, the Checkm8 bootrom exploit, by developer axi0mX, led to a powerful jailbreaking tool known as Checkra1n. With it, you can jailbreak a variety of iPhone models without worrying about it getting patched later on. But in the past, it required you to ...more

Whether you love Motion Sense or think it's a gimmick, one thing we can agree on is that its functionality is limited. It's currently limited to switching tracks on a playlist, snoozing alarms, silencing calls, lowering the volume of alerts, and checking notifications. But a n ...more

The Ubuntu experience has improved greatly with version 10.04, providing an easy-to-use interface. Especially when it comes to installing programs. However, it still relies on an online internet connection for installing additional software. Well, not anymore. You can collect ...more

Google I/O is like Christmas for Android enthusiasts. Every year, this conference showcases new and upcoming features for the world's leading mobile operating system, and this year's was no different. Shortly after announcing Android M, Google released a preview version of the ...more

Android 7.1.1 stock images for the Nexus 6P were released last week on December 5, 2016. However, Verizon users seem to have been excluded from the update. Google's factory image page states "All carriers except Verizon" next to version number NMF26F. This doesn't seem fair, e ...more

The Digispark is a low-cost USB development board that's programmable in Arduino and capable of posing as a keyboard, allowing it to deliver a number of payloads. For only a few dollars, we can use the Digispark to deliver a payload to a macOS computer that will track the Mac ...more

In order to increase the security and harden the integrity of an email account and its content, you'll want to use PGP on your Windows, macOS, or Linux computer. This is usually the first thing security analysts do to protect communications with encryption, and everyone else s ...more

On mobile devices, the Notification Center received a huge facelift when iOS 8 was released, but it wasn't until Yosemite that its Mac OS X counterpart received the same amount of love—especially the much needed ability to add custom widgets, like a FaceTime dialer. Now, than ...more

Do you need to email your wife your Social Security number? Send confidential business plans to your partner in Thailand? Send your hacker buddies the recovered hashes from last night's breach? Try using GPG, a valuable and easy to use open-source encryption program. In my fi ...more

Apple's Gatekeeper security software for macOS (Mac OS X) is vulnerable to remote attacks up to version 10.14.5. An attacker that's anywhere in the world can exploit MacBooks and other Mac computers by sharing a single ZIP file. The vulnerability was discovered by Filippo Cav ...more

UnrealIRCd is an open-source IRC server that has been around since 1999 and is perhaps the most widely used one today. Version 3.2.8.1 was vulnerable to remote code execution due to a backdoor in the software. Today, we will be exploiting the vulnerability with Metasploit, exa ...more

In the second part of this tutorial, we are going to crack the hashes that we've captured previously. I'm going to explain how to do it with the powerful John the Ripper. It comes with Kali by default, so no need to install! Using John the Ripper If you don't know nothing ab ...more

Locating and abusing files containing unsafe permissions is an easy and surefire way to elevate shell privileges on a backdoored macOS device. This time around, we'll be more aggressive and attempt to phish a user's login password by prompting a convincing popup message merely ...more

In the first guide, we laid the groundwork for our ultimate goal of uploading and running the unix-privesc-check script on our target. We identified an input field vulnerable to SQL injection and utilized Sqlmap to set up a file stager on the server. Now, we're ready to upload ...more

Mark Burnett is, financially speaking, perhaps the most successful television producer today. While I had launched America's Most Wanted and COPS a decade earlier, Mark exploded onto network television with Survivor, the glossy and fantastical innovation to reality television. ...more

One of the main reasons to buy a Nexus device is the fact that they're always the first to get new Android updates. Another great selling point for the Nexus series is that the devices are amongst the easiest to root and mod. Unfortunately, though, these two features are somew ...more

No operating system is stricken with as many vulnerabilities as Windows, and it's often a race to release the latest patches to fix things. From an attacker's point of view, knowing which patches are present on a Windows machine can make or break successful exploitation. Today ...more

In this tutorial I will be explaining the purpose of unique encryption/decryption scripts ( I will be referring to these at "UEDS" for this tutorial). Then, I will show you how to make one. Finally I will talk about the downsides to the method I use. I will also provide links ...more

My girlfriend was going away for a few weeks, but where she was going, there was no easily accessible Internet. She works mostly on the web, so it was imperative that she have a decent Internet connection during her travels. So, tethering her phone was the only real possibilit ...more

Gone are the days when you had to carry a clunky DynaTAC to make phone calls, pocket phone book for you contact list, Sony Discman for your tunes, and wallet for you cash and credit cards. Today, all you need is your smartphone. To be specific, Google's Nexus S 4G on Sprint. ...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

Architect Enrico Dini is an innovator in the world of 3D printing. Dini is racing to produce the first marketable printer that can print full scale structures on site. Development has been seven years in the making (which has left him nearly bankrupt, and cost him his marriage ...more

Anyone who is familiar with Linux knows that to use your OS to the max, you will need to use the terminal every now and then. Whether it is to install a package or update the system or even delete a file. However, this "tool" is now on your Android phone and can easily access ...more