Guess Varieties Search Results

How To: Use FaceTime's Group Chat on Your iPhone to Talk to More Than One Person at a Time

FaceTime has been around since iOS 4, and year after year, things stayed pretty much the same aside from a few small changes. In iOS 6, calls over cellular networks were finally possible, and audio-only calls were officially supported starting in iOS 7. But the one feature most everyone has wanted since FaceTime was a thing — group video calls — didn't show up until iOS 12.1 for iPhone.

How To: 24 Safari Privacy Settings You Need to Check on Your iPhone

Over the years, we've seen security breach after security breach, as well as high-profile data scandals where collected personal information was misused by companies. Apple makes customer privacy a priority, so there have been few issues to worry about when it comes to its services on your iPhone. However, there are still plenty of privacy settings to explore and change, especially within Safari.

How To: All of the Ways You Can Use 3D Touch on Your iPhone

One feature in iOS you're likely underutilizing is 3D Touch, a highly useful, unique tool for iPhones ever since it first appeared on the iPhone 6S. Apple's pressure-sensitive interactivity gives iOS an extra layer of functionality, which can be clearly seen across the entirety of your device. From the lock screen to the home screen to the apps in between, there are plenty of ways to use 3D Touch.

How To: Use Kismet to Watch Wi-Fi User Activity Through Walls

Your home has walls for privacy, but Wi-Fi signals passing through them and can be detected up to a mile away with a directional Wi-Fi antenna and a direct line of sight. An amazing amount of information can be learned from this data, including when residents come and go, the manufacturer of all nearby wireless devices, and what on the network is in use at any given time.

How To: Use the Cowrie SSH Honeypot to Catch Attackers on Your Network

The internet is constantly under siege by bots searching for vulnerabilities to attack and exploit. While conventional wisdom is to prevent these attacks, there are ways to deliberately lure hackers into a trap in order to spy on them, study their behavior, and capture samples of malware. In this tutorial, we'll be creating a Cowrie honeypot, an alluring target to attract and trap hackers.

How To: How Hackers Use Hidden Data on Airline Boarding Passes to Hack Flights

Millions of travelers pass through airports each day without understanding how powerful and insecure a boarding pass can be. Anyone can scan the boarding pass barcode with a mobile app, allowing access to frequent-flyer accounts and even a passenger's temporary airline account. In this guide, we will explore how hackers scan and decode the information contained in a boarding pass barcode and why.

Exploit Development: How to Read & Write to a Program's Memory Using a Format String Vulnerability

Format strings are a handy way for programmers to whip up a string from several variables. They are designed to save the programmer time and allow their code to look much cleaner. Unbeknownst to some programmers, format strings can also be used by an attacker to compromise their entire program. In this guide, we are going to look at just how we can use a format string to exploit a running program.

Exploit Development: How to Learn Binary Exploitation with Protostar

Being able to write your own hacking tools is what separates the script kiddies from the legendary hackers. While this can take many forms, one of the most coveted skills in hacking is the ability to dig through the binary files of a program and identify vulnerabilities at the lowest level. This is referred to as binary exploitation, and today we're going to check out a tool known as Protostar.

Buyer's Guide: Top 20 Hacker Holiday Gifts for Christmas 2017

Hackers can be notoriously difficult to buy gifts for, so we've curated a list of the top 20 most popular items Null Byte readers are buying during their ethical-hacking studies. Whether you're buying a gift for a friend or have been dying to share this list with someone shopping for you, we've got you covered with our 2017 selection of hacker holiday gifts — just in time for Christmas.

The Hacks of Mr. Robot: How to Use the Shodan API with Python to Automate Scans for Vulnerable Devices

Shodan calls itself "the search engine for internet-connected devices." With so many devices connected to the internet featuring varying levels of security, the special capabilities of this search engine mean it can provide a list of devices to test and attack. In this tutorial, we'll use Python to target specific software vulnerabilities and extract vulnerable target IP addresses from Shodan.

How To: Take Control of the Mouse & Keyboard in Python

While hackers adore the command line, working with the GUI (graphical user interface) of an operating system has some advantages. This is especially true when it comes to post-exploitation. When we can control the mouse and keyboard of a remote computer, we can truly say we have complete control over the device. Today, I'm going to introduce to you the PyAutoGUI module, which does just that, and just how much fun you can have with it!

How To: Turn Your Raspberry Pi into a Wireless Hotspot

When hacking into a network during a penetration test, it can sometimes be useful to create your own wireless AP simply by plugging a Pi into an available Ethernet port. With this setup, you have your own backdoor wireless connection to the network in a matter of seconds. Creating an AP is also helpful while traveling, or needing to share a connection with a group of people.

How To: Use a Virtual Burner Phone to Protect Your Identity & Security

Every time you make a call or send a text, you're giving the recipient your phone number. This can be quite the security vulnerability, opening yourself up to scammers, spammers, and the feds. In this how-to, we'll look at what a burner phone is, why you might want one, and how to get started using a free second phone number on your regular smartphone.

How To: Access the Dark Web While Staying Anonymous with Tor

The dark web is an intimidating place for a newbie hacker, but it's a powerful tool once you've learned to navigate it safely. To help you out with that, this guide will cover some need-to-know information for traversing the dark corners of the internet while keeping your identity and data safe. (Hint: Using Tor is not enough.)

How To: Set Up a Headless Raspberry Pi Hacking Platform Running Kali Linux

The Raspberry Pi is a credit card-sized computer that can crack Wi-Fi, clone key cards, break into laptops, and even clone an existing Wi-Fi network to trick users into connecting to the Pi instead. It can jam Wi-Fi for blocks, track cell phones, listen in on police scanners, broadcast an FM radio signal, and apparently even fly a goddamn missile into a helicopter.

How To: 15 Tips to Make You a Google Calendar Pro

Whether scheduling meetings, events, tasks, or even keeping tabs on the weather, a good digital calendar can help you stay on top of your game in ways that a normal calendar could never do. Indeed, there are many calendars to choose from, but Google Calendar is one of the best due to Google's excellent cloud service, feature-rich web-client, and their easy-to-use Android and iOS applications.

How To: Here's How You Can Make a Real Difference in the Aftermath of the Michael Brown & Eric Garner Grand Jury Decisions

In the aftermath of the unindicted police killings of Michael Brown and Eric Garner, we've been told that the system worked as intended. When our legal system's outcome is at conflict with what a majority of Americans believe is just, it's clear that some changes are needed. But what specifically needs to change? And what can an average citizen with a moral and just cause do to prevent these kinds of tragedies from repeating themselves again and again?

How To: The Ultimate Guide to Using the Duo Camera on Your HTC One M8

The camera situation on the all new HTC One is a little daunting. The M8 has not one, not two, but three camera lenses built in. First, there's the 5 megapixel selfie machine up front, then around back, there's the new Duo Camera with a refined UltraPixel sensor. HTC has done things differently here, and the UltraPixels and dual lenses means that the M8 doesn't necessarily take pictures like you'd expect—and that's not a bad thing. With a little guidance and some easy tricks, you can use all ...

How To: Introduction to Modern Cryptography

Cryptography is the science of keeping secrets, or more specifically, the science of disguising them. As a point of fact, cryptography has progressed quite a bit farther and now encompasses file and message integrity, sender authentication, and pseudo-random number generators.