Android has a single text file named build.prop that determines tons of various system-wide settings on your device. You need root access to edit this file, since it's stored on the system partition—but the various lines of codes it contains are actually fairly easy to interpr ...more
When it comes to antivirus software, you don't want some fly-by-night developer having access to the sensitive data that these apps can scan. Luckily, most of the longest-tenured antivirus companies from the realm of desktop computers offer complete security suites for Android ...more
While Google would like you to believe that Flash is incompatible on Android KitKat, there is a functional workaround that will get it up and running on your Samsung Galaxy Note 3's gorgeous screen in no time. You can't download Flash Player from the Play Store, but Adobe hos ...more
Thanks to a newly discovered iOS exploit, a text message can now ruin your day. It will literally cripple your iPhone, and the worst thing is that anyone with a phone that supports double-byte unicode can do it to you. While it initially sounded like bullshit, we tried it out ...more
When you can't think of a way to respond in Messenger with words, emojis and stickers will do the trick. Since Facebook is all about the "likes," which use a thumbs-up icon, there's a shortcut to the symbol just to the right of the chat field. It's always there to send a quick ...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
When the Nexus 5 debuted, one of its coolest features was the fact that you could say "OK Google" any time you were on the home screen to launch a Google Voice Search. This feature was ultimately made available for other devices by way of the Google Now Launcher. Recently, Go ...more
Hidden deep in WhatsApp's emoji database is a middle finger emoji, and there's a really easy way to use it. Much like Spock's "live long and proper" Vulcan salute, this one can be used simply by copying and pasting the emoji from our tweet. Note that the emoji, for now, does n ...more
Welcome back, my tenderfoot hackers! Recently, Microsoft released a new patch (September 8, 2015) to close another vulnerability in their Windows Vista, 7, 8, and 8.1 operating systems. The vulnerability in question (MS15-100) enabled an attacker to gain remote access to any ...more
I wanted to post a Live Photo to Instagram of me in front of that donut that got eaten next to the CVS on Houston St. in New York, between Mott and Mulberry. The only problem is that Live Photos aren't supported on Instagram, so I couldn't just tap and post it to my feed witho ...more
It's becoming more and more apparent that Siri continually drops the ball when it comes to lock screen security. In the past, Siri was exploited in iOS 7.0.2 to send messages without needing a passcode. Then in iOS 7.1.1, Siri was use to bypass the lock screen again to access ...more
It happens to everyone: you set a lock screen password in a hurry and cannot remember it the next day. To unlock your device again, you need to reset the password (or PIN, pattern, etc). There are two official methods of doing this. #1. Reset Your Lock Screen (Patterns Only) ...more
One of the more competitive aspects to chat apps these days is customizability. It seems every messenger wants to offer the largest number of options for users to make the app feel like a truly personal experience. Telegram is no stranger to this customizability, offering tool ...more
Windows has always had an "Administrator" account that allowed you to install programs and manage system files with elevated privileges. The difference between this account and a regular user account with administrator access was that you never got bothered by annoying User Ac ...more
The iOS 7 lock screen was made to be just that, a lock screen, so it's pretty limited in terms of functionality. We're able to add wallpapers and easily access the Control Center or Notification Center (unless we disable that access through our settings), but other than that, ...more
Who said you need a smartphone to use Snapchat? A new application in the Mac App Store, appropriately dubbed Snappy, allows you to send and receive Snapchats directly on your computer. Check out the guide below to learn how to go through all of your Snapchat stories, take and ...more
Google Now, Siri, and Cortana aside, the main way you interact with your smartphone is through the keyboard. Every app you use, every search you perform, every message you send—the most fundamental interface between you and your device is that handful of characters and those 2 ...more
I have had a lot of people ask me, "How does my neighbor keep getting into my wireless?!". Chances are, these people are all using WEP, a deprecated wireless encryption protocol. Either that, or you are using one weak WPA passphrase. If someone can access your wireless networ ...more
Hackers often find fascinating files in the most ordinary of places, one of those being FTP servers. Sometimes, luck will prevail, and anonymous logins will be enabled, meaning anyone can just log in. But more often than not, a valid username and password will be required. But ...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
Aside from being able to change the wallpaper and add shortcuts, the Galaxy S4's lock screen doesn't offer much in the department of personalization. The lock screen is efficient and practical, but it's also a little bland. To add some functionality and visual effects to the ...more
EternalBlue was a devastating exploit that targeted Microsoft's implementation of the SMB protocol. Metasploit contains a useful module that will automatically exploit a target, as long as it's vulnerable. But what if we wanted to exploit this vulnerability without Metasploit ...more
If you've seen our guide on the 18 coolest features in iOS 7, you know that there's a lot to like about Apple's new mobile OS, but there's also a laundry list of grievances to go with it. One that bugs me is the lack of Home screen customization, something that has always driv ...more
Let me begin this tutorial by reiterating how boring an iOS device can get, like my iPhone. It's extremely popular, yet extremely strict in terms of personalization. Video: . In previous guides, I've showed you some pretty neat and quick iOS 7 tweaks to personalize your iPhone ...more
By now, you've probably already installed 10.10 Yosemite, the newest version of Mac OS X, on your computer. While you most certainly noticed the visual changes, you might have missed some of the really cool additions. We've spent the last few days getting to know it, and let ...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
Apple's latest big software update includes an entirely new Apple app, a controversial change in the TV app, better Siri control, an improved Shortcuts app, interesting Safari upgrades, Apple Music Sing, and more. Keep reading to see what iOS 16.2 has to offer your iPhone. Th ...more
It seems that Apple is taking a page from Google's book with their new "Hey, Siri" voice activation feature in iOS 8. This feature mimics the one found in Google Now, the voice-activated intelligent personal assistant available to just about all Android users. Apple's version ...more
There are a lot of cool new features in iOS 8 that weren't available in previous iOS versions, but it's still lacking overall in terms of customization. I'm not asking for Apple to reinvent the wheel, just to give me preferences on the type of wheel I want. Things like the ab ...more
One major problem in previous iOS versions is that there was no way to keep messages in sync between an iPad, iPhone, iPod touch, and Mac. If you deleted a message in the Mac app, it would not be deleted on your iPhone, and vice versa. Apple finally fixed this issue in iOS 11. ...more
Slack's in-app web browser works fine, but it just doesn't offer the functionality and features that a dedicated browser such as Chrome, Firefox or Safari can. Features like the ability to bookmark a page, search for specific text, or request the desktop site are missing. Luck ...more
Your iPhone is just that — yours. Why should your home screen look like everyone else's? While iOS, and by extension, Apple, famously locks its users into its way of doing things, there's a lot more room for customization than you'd think. Before you make the switch to Android ...more
Tinkernut demonstrates how to crack a wifi connection, as well as how to better secure your own personal connection. Also included in the video gallery is Tinkernut's previous tutorial on the same subject. LifeHacker posted a great detailed text guide to accompany the second ...more
When your computer first connects to a nework, it sends out a request on the network to lease an IP from the router. The router then leases your computer an unused IP address, which is used as a unique routing address for sending traffic that is meant for you, to you. As every ...more
In the revamped Messages app in iOS 10, you can now send animated GIFs from your iPad, iPhone, or iPod touch without a third-party keyboard like Giphy or GIF Keyboard. Best of all, this is not just an iMessage-only feature. We tested it out and were able to send animated GIFs ...more
Emails sent from an iPhone, by default, are signed "Sent from my iPhone," which almost seems like a disclaimer in case the email has spelling or formatting errors. If your goal is to look professional while corresponding with coworkers or potential employers, then you're bette ...more
When somebody is in the middle of rapid firing you some text messages and they become too much for you to bear, you have a few options on your iPhone. You can simply leave the conversation, if it's an iMessage group chat with four or more participants, or you can put the whole ...more
Typing on a mobile device has come a long way since the days of flip phones. Today, there are awesome keyboard apps like Gboard, which integrates Google search features and makes typing a breeze. But the whole experience still stands to improve if you take some time to learn a ...more
When performing something such as a mass mailer attack on a company, sending executables usually isn't the best option. That's why, in this tutorial, I'll be teaching you how to code a VBA script macro into a Word document in order to compromise a system. Combined with a littl ...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
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
Many users across the web have reported issues with receiving notifications from the Gmail and Hangouts apps on Android. The problem is most prevalent with users running Marshmallow, and the gist is that notifications from these apps are extremely delayed or don't come through ...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
There's a 2800mAh battery powering the Samsung Galaxy S5, but even it's no match for the constant day-to-day torture you put it through. Taking photos, watching videos, and playing games can make your fully charged S5 powerless in no time. While there are some features built- ...more
UPDATE: This post is outdated, the latest version with the correct links and updated instructions can be found UPDATE: This post is outdated, the latest version with the correct links and updated instructions can be found at my blog, here - at my blog, here - https://techkerne ...more
Welcome back, my novice hackers! This is the third installment of my Python scripting series. If you haven't read the previous two articles, take some time now to go back and read Part 1 and Part 2 before you proceed here. As I mentioned in previous tutorials, Python is prob ...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
Although the Clock app in iOS has undergone some design changes over the years, you still can't set more than one timer on your iPhone. Oddly enough, Apple's own HomePod speaker added this feature, mimicking the timer on Amazon's popular Echo smart speakers. Fortunately, throu ...more
JavaScript is one of the main programming languages that the Web is built on. It talks directly to your browser and exchanges information with it in ways that HTML simply cannot. With JavaScript, you are able to access browser cookies, website preferences, real-time actions, s ...more
You may have heard of a signal jammer before, which usually refers to a device that blasts out a strong enough radio signal to drown out the reception of nearby devices like cell phones. Purpose-built jammer hardware is outright illegal in many countries. Still, Wi-Fi is vulne ...more
Over the years, Nova Launcher has widened its audience. No longer is it simply a tool to return your home screen to a more stock look. With Nova, you gain customization tweaks and functionality unavailable with the stock launcher. One example of this is all of the cool stuff y ...more
With Virtual Network Computing, you don't need to carry a spare keyboard, mouse, or monitor to use your headless computer's full graphical user interface (GUI). Instead, you can connect remotely to it through any available computer or smartphone. Virtual Network Computing, be ...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
An iPhone's display can get seriously bright, whether LCD or OLED. When you're in bed at night or in a dark room where you don't want to disturb others visually, the brightness is even more noticeable. But there are a few built-in ways in iOS to reduce brightness below the def ...more
By now, a mobile phone that isn't "smart" is about as hard to come by as a TV that isn't high definition. As a result, members of older generations who were previously reluctant to purchase a newfangled smartphone have no other choice but to cave into the more recent trends wh ...more
You'd think the ability to block calls from certain numbers would be built in to most phones by now, but that's certainly not the case with the iPhone. After dropping a few hundred bucks on a device, it'd be nice to be able to choose who you want to talk to, but beyond screen ...more
Welcome back, my greenhorn hackers! Recently, I asked the Null Byte community what subject they would most like me to cover in future tutorials. Many of you cited scripting, and I decided it's best to cover this subject soon, so here goes. Any self-respecting hacker must be ...more
Welcome back, my fellow hackerians! Today we'll be hacking Facebook profiles on your local network. You may think, "How is this useful, nobody but me is using my network." Well, you can use this on other Wi-Fi networks that are available for free (like at Starbucks) and crack ...more
Snapchat has built upon the photo-sharing service it once was to become a money-sending, commercial-shelling, video-messaging giant. They improved their user experience by adding Stories, Geofilters, and even the rarely-used Snapcash feature, but why isn't there something as s ...more
You see the status bar nearly everywhere on your iPhone, and it almost always looks the same. But you can use a few tricks to spice things up a bit — without jailbreaking your iPhone. The status bar's background on iOS is transparent, so you'll see different colors and gradie ...more