Open a Locked Toolbox Without a Key

Welcome back, my tenderfoot hackers! As you know, DNS, or Domain Name System, is critical to the operation of the Internet. It provides us with the ability to type in domain names such as www.wonderhowto.com rather than the IP address. This simple service saves us from having ...more

When it comes to give away or sell your iPhone, you can't just power it down, take out the SIM card, and hope everything will be okay. There's valuable data on your iPhone, and you need to get rid of it. Plus, if you don't perform all the necessary steps, chances are whoever e ...more

Losing your phone is a much bigger ordeal today than it was just 10 years ago. Our smartphones carry with them lots of sensitive data that, in the wrong hands, is capable of being used for identity theft and fraud. One of the smartest things you can do to help avoid such a di ...more

Keeping data private is vital in the days of smartphones and the free-floating information they carry. Justin wrote a guide on many of the deeply hidden and sometimes concerning privacy settings in iOS 7. Now we're back to cover some of the new (and old) privacy settings in iO ...more

One of my favorite things is finding an easy way to make what is normally a complex dish. Case in point: pasta sauce. Usually its depth of flavor is the result of fresh herbs, shallots, tomatoes, seasonings, olive oil, and a touch of dairy being cooked and added in stages. Lon ...more

Straight out of the box, the Nexus 5 is an awesome device, but even it can be faster with better battery life. Luckily, one of the things that makes it so awesome is that there are tons of developers creating mods for it, since it runs stock Android by default. When it comes t ...more

The autocorrect feature in Apple's default iOS keyboard is anything but perfect. Sometimes it can't autocorrect things on your iPhone to want you want, while other times there's a software bug that just flat out gets it wrong. These autocorrect issues can get even worse thanks ...more

Many game developers have finally realized that in order for their games to be successful, they have to support Android. To really win Android users over, they should also accommodate us hardcore gamers who have OTG cables with the ability to hook up controllers to our devices ...more

With over 20 million songs, Spotify has become my go-to source for music. I can stream tunes to my desktop or phone, without ever having to worry about storage space being eaten up. One key difference between the desktop and mobile version that really bugs me is the lack of o ...more

When a Houston mom got tired of her kids seemingly refusing to return her calls, she decided that she'd take action. Sharon Standifird's vision was to create an app that would somehow force children to get into contact with their parents. Having no experience with app developm ...more

Keeping prying eyes off your device isn't always the easiest thing to do, especially once you lend somebody your phone to make a call. Seems that whenever someone is scrolling through your pictures or checking out your new phone, they always end up somewhere you don't want the ...more

If you're anything like me, you started down the Android-modding path for two distinct reasons; to run cutting-edge software and squeeze every bit of performance out of your hardware. Utilizing the new F2FS file system on your rooted Nexus 4 or 5 fulfills both of those desires ...more

Welcome back, my aspiring hackers! Many of you have installed Kali Linux as a virtual machine (VM) using VMware or VirtualBox, while others have installed Kali (or BackTrack) in a dual-boot system. The drawback to installing these hacking systems as a VM is that it then requi ...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

I'm all about saving time. If there's a quicker way to do something, I'm going to find it. For this reason, whenever I need to search through old emails or compose new ones in Gmail, I do it directly from Chrome's address bar, or as Google likes to call it, the omnibox—and you ...more

Welcome back, my neophyte hackers! I have already done a few tutorials on password cracking, including ones for Linux and Windows, WEP and WPA2, and even online passwords using THC Hydra. Now, I thought it might be worthwhile to begin a series on password cracking in general. ...more

I regularly use iTunes on my home laptop and my work desktop forty-five traffic minutes away. I'm ashamed to admit it, but until recently, I'd been saving my iTunes library on a USB and transferring it back and forth, over and over again, between the two computers. Well, this ...more

Multitasking has always been one of Android's strengths relative to other mobile operating systems. As the first cell phone OS with "true" multitasking, Android's been ahead of the game in this department for quite some time. To stay on top of the heap, though, further innova ...more

It used to be easy to hack tethering—root your device and install a third-party or modded tethering app. But snuck in amongst the changes in Android 4.3, a new data-monitoring service of sorts made its debut. There used to be a time when your data connection was yours. You pai ...more

The long rumored and recently leaked Amazon phone has finally been unveiled, and in the interest of branding, continues down the Fire line—the Amazon Fire Phone. You can check out the full reveal here (warning: it's long), but I'll take you through all the features that sets t ...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

Long-exposure photography gives us the ability the capture some pretty amazing shots by delicately capturing moving elements in an image while keeping the shutter open at a slow speed. While that's great for things like traffic, scenery, and carnival rides, it can come in espe ...more

A friend of mine has a crazy amount of Reddit karma and gold, and yesterday he let me in on his secret. This person, who will remain unnamed for obvious reasons, created a Python script called Reddit Karma Crawler that finds rising posts before they get too popular. Every goo ...more

For those of you who've already gotten Beta Preview or Developer Preview access to Mac OS X 10.10 Yosemite, I highly recommend installing it on a separate partition on your hard drive. There have been many reported bugs and even blank gray screens that prevent access to the s ...more

Welcome back, my greenhorn hackers! Lately, much of the discussion here on Null Byte has revolved around evading detection and not getting caught hacking. Several of you have written me asking for a series on evading detection and forensics, and while I began a series 5 month ...more

Chances are that you've been using your microwave just to nuke leftovers, but they can do so much more than heat up last night's dinner—microwaves can help you peel garlic more quickly, get more juice out of lemons, disinfect your kitchen, dry out herbs, give beauty products n ...more

Reading is no longer a leisure activity—it's an on-the-go activity that requires speed and less attention. That's why speed reading apps are growing in popularity. As smartphones and tablets increasingly take over the traditional book market, reading skills need to be adjusted ...more

An open bottle of wine can be dangerous. You intend to enjoy—nay, savor—a single glass, but then two episodes of Top Chef later, that sucker is empty. Now you have to go to work the next day with a wine hangover. What happened? Turns out there are some unconscious reasons you ...more

HTC claims to have improved the One M8's battery life by 40% over its predecessor, but there is always room for improvement. Our phones are pretty much glued to the front of our faces, whether we're drafting important emails or killing time on YouTube, and a rapidly draining ...more

Let's say you're watching a video and everything's going great, but you feel the need to raise the volume a tiny bit. You hit the volume button on your Nexus 5, and all of a sudden, a giant volume slider appears that obscures half of your video for 3 seconds. I know it's happ ...more

Google's new camera, aptly named Google Camera, has been all the rage since it was released onto Google Play last Friday. The main reason is the amazing Lens Blur feature that adds depth-of-field Lytro effects to photos, without the use of any expensive accessories or extra ha ...more

Many of my aspiring hackers have written to me asking the same thing. "What skills do I need to be a good hacker?" As the hacker is among the most skilled information technology disciplines, it requires a wide knowledge of IT technologies and techniques. To truly be a great h ...more

As an added functionality to the S Pen, the Pen Window enables you to create floating application windows on your Samsung Galaxy Note 3—a tool that's extremely useful when it comes to multitasking. However, there's always room for improvement. In today's softModder guide, I' ...more

The new HTC One and Nexus series devices have already replaced their physical navigation keys with soft keys, and it's inevitable that we'll see more and more of this on future mobiles. Samsung continues to buck the trend entirely, but no manufacturer as gone as far as to remo ...more

Welcome back, my tenderfoot hackers! We have looked at a number of ways that we sniff traffic on the network with such tools as Wireshark, tcpdump, dnsiff, and others, but each of these tools is only capable of pulling packets off the wire. Those packets can be examined for ...more

Yesterday, I wanted to remove BackTrack from my system and install Kali, and at the same time didn't want to damage my Windows 7 or my hard drive. I searched a lot of articles, but almost all of them wanted me to have a backup Windows 7 CD, which I don't possess. So, I decide ...more

When our Nexus 7s upgraded to KitKat, one key piece of functionality was lost in the mix—Flash support. Of course, even before that we never had official support on the Nexus 7, but hacks seemed to do the job just fine. As it stands now, Google remains on the warpath against F ...more

Out amongst the ether of the internet lies a completely different version of the Netflix library you've come to know and love. Because of licensing and rights fees, the streaming media giant maintains separate libraries for each country it services. Ultimately, this means that ...more

As respectful as you may be, it's hard to resist looking through someone's iPhone when given the chance. You're not trying to snoop around, but it's just too easy to open up apps and read embarrassing emails or find scandalous Instagram follows. It's like looking through a dig ...more

Sometimes you need more than just your brain to split the bill at a restaurant or to calculate how much your cable company is ripping you off. If your math skills are shaky like mine, or you just want to make sure you're unequivocally correct with your calculations, you obvio ...more

Sending and receiving files between Android devices has no shortage of options—Bluetooth, email, MMS, and Wi-Fi are just a few of the more popular ones that we use. While the choices for this functionality are plenty, problems can arise with connectivity issues and file size ...more

Texting can be difficult sometimes. When you're browsing the web or playing a game on your iPhone and need to respond to text message real quick, you have to exit your current app to do so. Not exactly efficient, especially if a quick "K" is all you need to say. However, if y ...more

Midway through 2013, a popular custom ROM called Paranoid Android introduced their multitasking feature "Halo." Bubble-style notifications inspired by Facebook chat heads pop up near the top of the screen, and you simply tap on them to bring up the app in a floating window. I ...more

Fresh off the heels of their latest agreement, Google and Samsung may soon be further aligned in their mobile technology outlook. The two tech giants signed a cross-licensing patent agreement, but that doesn't mean that Samsung was just going to start putting out stock Android ...more

You can easily lock any folder on your Windows computer with a simple Notepad hack. By creating a batch file, you can hide a folder and require a password be entered before it becomes visible and accessible. This is a great tool for locking sensitive information, like pictures ...more

In the wake of the NSA controversy and its subsequent fallout, many dashed towards finding means of secure communication—using private internet browsing and encrypted text messaging applications—out of fear of being spied on. While the NSA's incredibly sophisticated surveilla ...more

Welcome back, my novice hackers! In a recent tutorial, I showed how the SNMP protocol can be a gold mine of information for reconnaissance on a potential target. If you haven't already, I strongly suggest that you read it before progressing here, as little of this will make m ...more

It's time. You've experimented with apps from the Play Store, you've switched your lock screen, and maybe you've taken different launchers out for a spin. If, throughout your tinkering, you've found yourself chanting, "More. More. Give me more!" then now is the time. It's time ...more

Keeping unwanted clowns off on my Samsung Galaxy S3 is priority number one. I've shown you how to snag a picture of people opening your apps and how to lock your screen for whenever you hand off your phone, allowing them to access only the page you left open. Well, with App L ...more

Take a minute and think about how many times a day you press the home key on your iPhone . . . a lot, right? It is quite literally the most important button on your device. If the home key stops working, you won't be able to multitask or back out of apps to go to your home scr ...more

There's no shortage of reasons to love the One, yet a feature curiously omitted from the device, much to the chagrin of power users, is a multitasking button. Most Android devices, in addition to 'home' and 'back' keys, have a 'multitasking' key which opens a task switcher an ...more

One of the lesser known features brought along by the roll-out of Android 4.4 KitKat is the ability to screen record from within the device. This features isn't overtly obvious, nor is its implementation the most streamlined, but if you were ever looking for a way to capture v ...more

NSA aside, Apple makes it difficult for users to extract and download text messages from their iPhones onto a computer. For whatever reason (legal, devious, neurotic, etc), we've all found a time where we'd like to save backups of certain meaningful, important, or perhaps incr ...more

I have literally played Madden, watched YouTube videos, and listened to music on my phone all at the same time. Some would call this pathetic, but I call it talent. Life is way too short, so I need to get the most out of it when I can. Thank goodness for multitasking, which sh ...more

Welcome back, my greenhorn hackers! This tutorial will be the fourtenth in the Linux for hackers series and will focus on the MySQL database. Although this is not strictly a Linux tutorial, MySQL is the database of choice on most Linux distributions. In addition, it is the mo ...more

The launch of Android 4.4 KitKat alongside the Nexus 5 was met with much fanfare from Android enthusiasts. Unfortunately, if you don't have a Nexus device or are still awaiting the 4.4 update, you may feel a bit left behind. If you have a carrier version of the HTC One, 2013' ...more

Let's get one thing straight: CyanogenMod is one hell of a ROM. They've got a great community, a great product, and getting it on your HTC One couldn't be easier with their CyanogenMod installer, which does all the hard rooting and bootloader unlocking for you. If at all you ...more

Welcome back, my budding hackers! One of the keys to becoming a professional and successful hacker is to think creatively. There is always a way to get into any network or system, if you think creatively. In previous tutorials, I have demonstrated ways to crack passwords on b ...more

Since its introduction on the iPhone 5S, Touch ID has made unlocking Home button iPhones quick and secure. The second-generation iPhone SE brought back the beloved feature in 2020 but didn't take any steps to improve on the technology. So if you're rocking Touch ID and having ...more

You know what's awesome? You own a Nexus. That means, with Google's blessing, you have easier access and control over your device than other manufacturers allow. You can really dig in and do some interesting things if you root. The big 'R' word can be intimidating for the new ...more