Designed

Withstanding an attack from a motivated hacker is one of the most important responsibilities a system administrator must undertake. This is especially true for websites that may contain sensitive customer information and a high volume of users. So it's important for a sysadmin ...more

One of the best things about Christopher Nolan's Batman trilogy is how realistic he makes the caped crusader feel. Unlike the Joel Schumacher or even the Tim Burton versions, Nolan's world seems grounded in some level of scientific fact. But just how close is science to actual ...more

If you've been keeping up with anything Android these days, you've no doubt heard about a little dandy called Xposed Framework kicking around. Xposed, by XDA developer rovo89, is a framework for Android devices that lets you easily modify your stock or custom ROM. Xposed is r ...more

Computer crashes, fried hard drives, red rings of death, delinquent memory cards... nothing is worse than dysfunctional technology. In just a minute, your favorite and most used device has become the biggest headache of your life, frustrating you to the brink of madness. But w ...more

Welcome back, my novice hackers! In my series on cracking passwords, I began by showing off some basic password-cracking principles; developed an efficient password-cracking strategy; demonstrated how to use Hashcat, one of the most powerful password-cracking programs; and sh ...more

When shopping for a new smartphone, you'll encounter comparisons and spec sheets that are filled to the brim with values like mAh, GB, and GHz. To the average consumer, however, these values are meaningless, so we end up looking at which device has the specs with the highest 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

At launch, Chromecast with Google TV is fairly limited in the number of compatible apps. Many of the usual suspects are there, but there are some interesting omissions, like Google Stadia (though support is coming). However, at its core, the device runs on Android 10, which me ...more

Not every app is designed well. With nearly 3 million apps on the Play Store and countless more that you can sideload from other sources, there are bound to be a few stinkers. And many of them do a terrible job using RAM. Poor memory management by apps hurts everyone. Whether ...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

Because of Android's massive array of supported smartphones that carry vastly different display sizes and resolutions, the operating system uses a value known as DPI to determine the size of icons and visual assets that will best suit a given screen. Pixel Density (or Dots Pe ...more

I was in college, and my 15-inch Sony Vaio laptop was my prized possession. It was my first PC and probably the most important thing I brought with me to my dorm — it was both how I completed my assignments and my primary source of entertainment. How could it turn its back on ...more

I'm a firm believer that a sandwich is the ultimate food. It's filling, but not heavy; it has carbs, protein, veggies, and sauces; and it's easily customizable. Add that all up and you've got the absolutely perfect lunch. Yet like most great things in life, there's a “but” th ...more

Even though most phones don't have Oreo yet, Google has released Android 9.0 Pie. It's available on Google's own Pixel devices, and updates should soon be available to partnered devices from Essential, Nokia, Oppo, Sony, Vivo, and Xiaomi. We're already digging into it to highl ...more

Not all batteries are created equal, but one thing's for sure—they all lose capacity over time. Thankfully, the advanced lithium-ion batteries in your MacBook and iPhone are meant to last for several years before they begin to lose their overall charge capacity. Of course, th ...more

Some food jars seem like they're actually designed to prevent you from enjoying every last bit inside. The remnants of sticky foods like Nutella and peanut butter are almost impossible to scrape out with a knife or spoon, and it's a shame to throw out something that tastes so ...more

The status bar is an omnipresent force on our Samsung Galaxy S3s; always there to give us that vital information about battery life, date and time, Wi-Fi access, and much more. But there's just something about that default black bar that's so...boring. When Google launched An ...more

It's the icing on top of your cake (or whipped cream on top of your Android Pie) of despair. You may have not had the easiest time rooting your device, but you feel like you overcame all of the obstacles. Only now to discover that those very apps and mods you were rooting for ...more

There are a ton of great new features in iOS 8, and one of the most interesting (and perplexing) ones is called "Family Sharing." By utilizing this feature, you are creating a continuity among all of the iOS devices in your family, granting members the ability to share apps, ...more

There's nothing more jarring than the sound of your morning alarm. Even hearing it on others' phones, hours after your own abrupt wakeup, can cause you to flinch in fear. Though we depend on that shrill sound to get up each morning, it's actually better to wake up naturally—so ...more

Whisking liquids seems somehow quaint, especially since there are good, cheap devices out there like immersion blenders and hand mixers that can whip cream, turn egg whites into meringue, and mix batters for you. However, I still love my whisk and use it often, and here's why ...more

A well designed sleeve is very important to creating a top or jacket that fits comfortably. Get your correct measurements before you begin. Please view the following step-by-step instructions and accompanying video and diagram to create the basic sleeve. Video: . Step 1: Measu ...more

One little known feature on Android devices is TalkBack, which provides you with spoken feedback and vibrations in order to help you navigate your device. Obviously, if you're not blind or visually impaired, this isn't a feature you're likely to use. Nonetheless, curiosity ge ...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

The majority of Android web browsers carry a "desktop mode" feature that makes mobile websites look like normal computer versions. Mobile versions are designed to work faster and more efficiently on smartphones, but sometimes the desktop version looks better on large displays ...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

Welcome back, my tenderfoot hackers! Those of you who have been reading my posts here for awhile know how much I emphasize good reconnaissance. Novice hackers often jump into a hack/exploit without doing proper recon and either fail or get caught. Experienced and expert hacke ...more

Holy… Lord, help us all—this isn't CG, it's for real. Meet Geminoid DK, the latest spawn from Osaka University Professor Hiroshi Ishiguro's legion of ultra-realistic Androids. If an Android is a robot disguised as a human, what is a Geminoid? Similar in concept to the Bruce W ...more

In my Wireshark article, we talked a little bit about packet sniffing, but we focused more on the underlying protocols and models. Now, I'd like to dive right back into Wireshark and start stealing packets. The filtering capabilities here are very comprehensive. You can filte ...more

In our first part on software-defined radio and signals intelligence, we learned how to set up a radio listening station to find and decode hidden radio signals — just like the hackers who triggered the emergency siren system in Dallas, Texas, probably did. Now that we can hea ...more

Former Vice President Dick Cheney was so fearful of attacks, he had his heart defibrillator re-calibrated to block incoming wireless signals so that highly skilled hackers couldn't send him into cardiac arrest. If hackers could potentially kill by turning someone's own defibr ...more

The Google Chrome browser for Android allows you to cast quite a few different videos from the web to your TV, but some sites actively disable this functionality, and others have outdated video players that won't allow for it. For example, Instagram's mobile website won't let ...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

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

Welcome back, my fledgling hackers! With this first article, I am initiating a new series intended to convey to my readers the skills necessary to develop your own exploits. As many of you know, soon after an exploit is found in the wild, software developers begin to work on ...more

Passwords stored in web browsers like Google Chrome and Mozilla Firefox are a gold mine for hackers. An attacker with backdoor access to a compromised computer can easily dump and decrypt data stored in web browsers. So, you'll want to think twice before hitting "Save" next ti ...more

Want a buddy in Fallout: New Vegas? Sure you do. In fact, you probably want a couple New Vegas companions. In Fallout: New Vegas, there's a total of 6 permanent humanoid companions and 2 permanent non-humanoid companions, but you can only have 2 (one of each kind) at a time f ...more

Dirk Auer has set a new world record…for insanity. This past July, the adrenaline junkie raced down the rickety, wooden Mammoth roller coaster at 56mph, in his specially made inline skates. Auer made it through the entire length of the roller coaster (2820 feet) in just over ...more

In five short years, three generations of ultra-low-cost Raspberry Pi devices have challenged the boundaries of what a person can do with a $35 computer — especially with Kali Linux. With each Pi more powerful and cheaper than the last, the addition of the Pi Zero in 2015 too ...more

The new iOS 14 for iPhone arrived Wednesday, Sept. 15, 2020, alongside iPadOS 14, and there are a lot of features to uncover. Improved widgets. Better home screen customization. Exciting Messages improvements. New abilities in Camera and Photos. There's so much here that it'll ...more

It recently came to light that a number of Android phones are unable to stream HD video through services like Netflix, Google Play Movies, and Amazon Prime Video. If you're worried that your phone may be affected, there's a simple tool you can use to find out for sure if you c ...more

One of the most critical bugs to come out in the last five years was Shellshock, a vulnerability which allows attackers to execute arbitrary code via the Unix Bash shell remotely. This vulnerability has been around for a while now, but due to the ubiquity of Unix machines conn ...more

The new iPhone 12 Pro Max is equipped with MagSafe, the iPhone 12 lineup's most talked-about feature. While Apple previously used MagSafe for its magnetic charging connectors on older MacBook models, it's given new life to it on the iPhone, and in a much better way. But can it ...more

While photography usually gets all the love, our phones have gotten really good at capturing video. Think about it — when was the last time you needed a camcorder for a vacation? With mobile cameras getting better each year, we're now at a point where smartphones can be used f ...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

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

While iOS 11.3 doesn't have as many new features as iOS 11.2, there's still a lot to love about Apple's latest update for iPad, iPhone, and iPod touch, even if some of the best features we were expecting didn't make the cut. Apple released the iOS 11.3 beta on Jan. 24, and ju ...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

Does executing a perfectly timed, no-scoped headshot, followed by a well-choreographed teabagging ever get old? No, no it doesn't, and neither do custom emblems for Call of Duty: Black Ops 2. How else are we going to kill time until Black Ops 3 arrives? I've already covered m ...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

Google Voice has a hidden feature that lets you record any phone call you're participating in, and unlike other apps, it doesn't cost a dime. When it comes to recording phone conversations, you may think the worst and associate it with something shady like obsessive exes and ...more

Welcome back, my aspiring hackers! In this series on Linux for aspiring hackers, I'm trying to provide you with the basic skills needed to be capable in Linux as a hacker. One area that's critical that we haven't covered yet is building and managing an Apache web server. Apac ...more

This little brain game is all about engineering a lower center of gravity. The idea has been around forever, but most people still don't know how to do it. Trying to stack nails above the balance point will raise the CG and make the structure unstable. Here's how you can lower ...more

It's common for IoT devices like Wi-Fi security cameras to host a website for controlling or configuring the camera that uses HTTP instead of the more secure HTTPS. This means anyone with the network password can see traffic to and from the camera, allowing a hacker to interce ...more

Smartphones and laptops are constantly sending Wi-Fi radio signals, and many of these signals can be used to track us. In this guide, we'll program a cheap IoT device in Arduino to create hundreds of fake networks with common names; This will cause nearby devices to reveal the ...more

When it comes to making pancakes in the morning, most of us probably follow the instructions on the box. Mix all the ingredients together, pour onto a hot greased pan, and form perfect circular flapjacks one by one. But pancakes are so much more than that. You can turn them i ...more

The "slide-together" paper construction method is a fun and satisfying way to build 3D geometric objects. It only requires paper, scissors or an exacto knife, and some patience. In Tuesday's post, we explored the slide-together method, using ordinary playing cards to build th ...more

The new Samsung Galaxy S4 may be the only phone to include temperature and humidity sensors, but your Galaxy Note 2 has a few weather-detecting features of its own. Firstly, it has a barometer, which measure atmospheric pressure that can help alert you to a possible nearby ra ...more