Second Line

One of the biggest advancements in the new iPhone XS, XS Max, and XR is the dual SIM functionality that will let you use two cellular networks at once. Like Sinatra, however, Apple is known to do things its own way, so their dual SIM setup is a bit different than you might thi ...more

Welcome back, my hacker apprentices! To enter the upper echelons of hackerdom, you MUST develop scripting skills. It's all great and well to use other hacker's tools, but to get and maintain the upper hand, you must develop your own unique tools, and you can only do that by d ...more

Before I start a series on remote exploitation, I think we should learn the basics of Perl. Perl, Ruby, C, C++, Cython and more are languages that some penetration testers just need to learn. Perl is a great language for multiple things, sadly, like many other scripting langua ...more

Dead Island is known for having the most successful trailer of any game ever. It was a beautiful cinematic experience. But sadly, as details of the game itself emerged, and after it was shown at conventions around the world, doubt began to set in about whether this five-year-l ...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

This method is easy, intuitive and requires very little math. You will need: Any flat flexible sheet material (ex. paper plates for this how-to) Pencil or pen Scissors Stapler, tape, glue or fasteners Ruler or straight edge Protractor Flatten Plates Flatten the paper plate ...more

Sometimes our information important. So important that we have to encode it to keep it away from criminals. What better way to encode information than to make our own encoder with Python? In this tutorial, we will cover the basics of cryptography in hopes to make a "gibberish ...more

For a while, Gmail only had one swipe gesture, and it could only perform one of two actions: Archive or Delete. Not that it wasn't useful — you could eliminate most spam emails in a matter of seconds by swiping left or right on any email in your inbox. But now, Google has fina ...more

In the last tutorial, we learned how to make functions and how they work on the high level. This time, we will take a peek under the hood again, stare deep into its soul and see its ugliness face to face to see how it works in the lower level. The Code Segment The code segme ...more

Hello everyone! This is part 7.0 of my Sorting series. I know, I said last time that there would be a 6.1, but not just yet! So, anyway, here we are at 7.0 -- and I'm wondering about how long I can drag this whole thing out... Merge Sort: The Algorithm Under the Hood Merge ...more

If you want the best two-factor authentication app out there, our pick is Authy. A close second is LastPass Authenticator. If neither of those is to your liking, try Duo Mobile or Microsoft Authenticator. But if you're fine with missing out on great features, then and only the ...more

A new study has found that up to half of people who think they have a penicillin "allergy" can still receive the drug, and other antibiotics with similar structures, without any negative reactions to the meds. Why? Because they're not really allergic, doctors say. In truly pe ...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, my neophyte hackers! The aspiring hacker needs to know a bit of Linux to be successful, and probably most importantly, Linux networking. To fill that knowledge gap, I'm offering this guide on Linux networking basics. I assume that you understand a small amount of net ...more

This article details the step-by-step instructions on how you can make a strawberry tower that can be used for your hydroponics/aquaponics system. The water dripping through the system contains the nutrients, so soil is not used. The growing media is expanded shale, but you co ...more

Welcome back, my greenhorn hackers! I began this series on scripting awhile back to teach all aspiring hackers how to write some basic scripts for hacking and reconnaissance. Without developing some basic scripting skills, the aspiring hacker will be condemned to the realm of ...more

Mobile privacy is one of the most pressing security issues in existence. Since we carry our phones with us everywhere we go, we need to ensure that we're safe from prying eyes. The Premium Mobile Privacy Lifetime Subscription Bundle is your ticket to ultimate privacy. The bun ...more

Welcome back, my hacker novitiates! In an earlier Linux Basics tutorial, I had demonstrated the basics of the Apache web server. Since Apache is the world's most widely used web server on the Internet (as of July 2015, Apache was 38%, IIS was 26%, and Nginx is 15%), the more ...more

Welcome back, my novice hackers! Episode 6 of Mr. Robot has come and gone and, as usual, it did not disappoint. Once again, our hero, Elliot, has used his extraordinary intellect and hacking skills to awe and inspire us. In this episode, Elliot is being blackmailed by the ru ...more

Welcome back, my aspiring hackers! In previous tutorials, I have shown you how to scan the globe for vulnerable servers and write simple scripts in BASH and Perl to perform other reconnaissance tasks. In a very recent guide, I taught how to scan vulnerable servers for Heartbl ...more

Welcome back, my greenhorn hackers! Now that we're familiar with the technologies, terminology, and the aircrack-ng suite, we can finally start hacking Wi-Fi. Our first task will be to creating an evil twin access point. Many new hackers are anxious to crack Wi-Fi passwords t ...more

Welcome back, my greenhorn hackers! I've been writing these Linux tutorials in an attempt to fill the void in the education of some aspiring hackers into the Linux operating system. There is a lot to know, and in this tutorial, we'll look at Linux file permissions. Step 1: Ch ...more

An incorrectly scaled object in your HoloLens app can make or break your project, so it's important to get scaling in Unity down, such as working with uniform and non-uniform factors, before moving onto to other aspects of your app. This HoloLens Dev 101 series has been desig ...more

Creating GIFs of your own burst images has been possible for a while with third-party iOS apps, some of which cost money or include in-app purchases to utilize the full potential. Fortunately, with Shortcuts, Apple's automation workflow app, there's finally a native way to ach ...more

If you're worried about the security of your Mac, there are easy measures to prevent the most dangerous attacks. Named after the tactic of accessing an unattended computer in a hotel room, we can thwart "evil maid" attacks with Do Not Disturb and LuLu, free macOS tools by Obje ...more

In iOS 13 and later, Spotify supports Siri commands, something we've wanted ever since Siri and Spotify were things. But if you're on iOS 12 still, you're missing out. All you can do is open the Spotify app, then pause and skip tracks with Siri after you start playing a song m ...more

Have you ever used an open wifi, which after you connect displays a website to enter your credentials to get internet? That website is called captive portal and widely used in airports, hotels, universities etc. Have you ever wondered what would happen if someone would set up ...more

Analysis of photographs and social connections can be a huge component of social engineering. Understanding who a person is, as well as who they know, can establish links within a company. This information could be used by hackers to execute elaborate social engineering attack ...more

Whether you miss the good old days of Telnet or you want to know what hacking was like when security was nothing but an afterthought, Telehack is the game for you. The text-based hacking game is a simulation of a stylized combination of ARPANET and Usenet, circa 1985 to 1990, ...more

After a long hiatus, we shall once again emerge from the shadowy depths of the internet to build an exploit. This time, we'll be looking at how to defeat a non-executable stack by using the ret2libc technique — a lean, mean, and brilliant way of exploiting a stack overflow vul ...more

If you're getting into automation, Bash scripting is usually the way to go. However, there are a couple of limitations, and one of them is logging into another device like a Raspberry Pi and running a script automatically. To help in those situations, we're going to automate d ...more

Cases and stickers are always great, but they aren't the only way to customize an iPhone. The software on your device is full of customization options, from a better-looking home screen and cooler lock screen wallpapers to app icon changes and a system-wide dark mode. There's ...more

I assume at this point you have already completed your control panel using Part 1 of this How To guide. Now, if you are anything like me, you couldn't fight the urge to play, and you have your panel sitting on saw horses in the living room. Depending on your situation, your s ...more

Looking for another Angry Birds fix? Well, drop the lame birds and pick up the zombies—Stupid Zombies, that is. You'd think that killing "stupid" undead beings would be easier than knocking off a few "angry" vertebrates, but it's actually more challenging—and more fun! Who wou ...more

Prank Calls, Masked NumbersWho is calling your phone or your child's? Pranksters use a lot of tricks to make sure they can get on your nerves. Being able to trace prank calls is important because you're not going to learn much from your Caller ID, since most prank callers use ...more

Airsoft doesn't get any better than a cloud chamber BB machine gun, aka Cloud BBMG. This design has an incredible rate of fire. If you've got a full charge of compressed air, it can easily fire more than 50 rounds per second at a 350 ft/s muzzle velocity. Since this is a legit ...more

It's easy to lose oneself when playing Minecraft and easier still to get plum lost. That's why it's always good to have a compass on hand. No compass? No problem. There are, in fact, no fewer than seven methods at your disposal for finding true north in a Minecraft world. Bett ...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

For lazy children, winter snow means snowball fights, snowmen and snow days. For lazy homeowners, it can mean leaky roofs and costly repairs. Fortunately, where snowy roofs are concerned, a little bit of preventative maintenance can go a long way. As you're probably already w ...more

Many things cause a bike tire to deflate. Glass, sharp rocks, tacks, and nails can pierce the tire and puncture the tube within. A tube can be pinched between the rim and tire causing the tube to split when inflated. If a tire has a hole in it, the tube, which is filled with a ...more

Last weekend, some unlucky Gmail users inadvertently had their email accounts wiped out. Actually, it was 0.02 percent of all Gmail users—or roughly 40,000 of the 200 million who use the email service, due to an "unexpected bug" which affected copies of the data. Gmail does ma ...more

Kindle users love reading. But let's face it—nothing compares to the feel of a book in your hands. Sure, Amazon's Kindle makes it possible to read more books, clears up a lot of shelf space, fits snugly in anyone's baggage and can actually be cheaper in the long run. But each ...more