Examples Search Results

How To: Generate Private Encryption Keys with the Diffie-Hellman Key Exchange

When we are building programs that communicate over a network, how can we keep our data private? The last thing we want is some other lousy hacker sniffing our packets, so how do we stop them? The easy answer: encryption. However, this is a very wide-ranging answer. Today we're going to look specifically at how to encrypt data in Python with dynamically generated encryption keys using what is known as the Diffie-Hellman key exchange.

How To: Hack Forum Accounts with Password-Stealing Pictures

The pictures we upload online are something we tend to think of as self-expression, but these very images can carry code to steal our passwords and data. Profile pictures, avatars, and image galleries are used all over the internet. While all images carry digital picture data — and many also carry metadata regarding camera or photo edits — it's far less expected that an image might actually be hiding malicious code.

How To: Using BASH for Computer Forensics

Greetings to all geeks, hackers, nerds, and explorers of Null Byte. Welcome to my brand new tutorial, "Using BASH for Computer Forensics". This tutorial will give you a look at how the computer programming language, Bash, can be used to find out details on apple devices for later use.

How To: Attack on Stack [Part 1]; Smash the Stack Visualization: Introduction to Memory, Registers and Assembly.

Hi everyone. Recently I've been studying some topics about Assembly, memory and exploitation, and thought I could write something nice, easy and fast about it, just because I like to share what I learn, and probably sharing what you learn and trying to explain it to a stranger is the best way to learn it better. It worked for me, and I hope it will be useful for you too.

How to "Eat" Your Sunscreen: 10 Nutrient-Rich Foods That Will Increase Your Sun Tolerance

Even as someone with super pale skin that burns instead of tanning, I don't use sunscreen nearly as often as I should. Or, uh...ever. My skin cancer prevention routine mostly involves hiding from the sun as much as humanly possible. If you're like me and hate the greasy feeling of sunscreen, there are other ways you can protect your skin by increasing your sun tolerance. Your diet actually has a lot to do with how easily you burn, so by getting enough of a few key nutrients, you can decrease ...

How To: Apple Messages Lets You Switch Rich Link Previews and Use Plain Text URLs for Webpages More Easily — Here's How

The updated Messages app for iOS, iPadOS, and macOS has creative new ways for you to format and send messages, from standard text formatting to fun text effects. But Apple also includes another way to make your messages appear precisely as you want: more control over how links appear for you and your recipients.

How To: Add More Domain Extensions to Your iPhone's Keyboard Shortcut to Type Email Addresses or Website URLs Faster

When typing an email or website address in a compatible input field on an iPhone, most people will manually type in the domain extension. But there's a much faster way to enter domain suffixes for email addresses and website URLs that you should be using on your keyboard. Even better, there's a way to customize what domain extensions appear in the keyboard shortcut!

How To: You Can Finally Change the Default Notification Sound on Your iPhone — Here's How It Works

Using different sounds on your iPhone for different notifications can help you determine — just by listening — alerts you may want to look at immediately versus untimely alerts or even ones you typically ignore. But Apple has never given us complete control over notification sound customization on iOS, though the latest iOS update is a step in the right direction.

How To: Convert HEIF Photos from HEIC to JPG or PNG with MacOS Monterey's New Time-Saving Shortcut

If you regularly run into issues opening images that use the .heic extension, the easiest solution is to convert the file into a more compatible format. Using apps like Photos and Preview on a Mac makes the process simple, but macOS Monterey just streamlined the process so that you don't even have to open an app anymore.

How To: Auto-Play New Podcast Episodes on Your iPhone When Connecting Headphones, Starting a Trip, Tapping an NFC Tag & More

The Shortcuts app can help you play the next unlistened podcast from one of the shows, but getting the latest unplayed episodes from your whole queue of shows in the Podcasts app is a little trickier. There is an easy way to do it on your iPhone, though, and you can even automate it so that Podcasts plays your most recent untouched episode automatically.

How To: Stop Apps from Asking to Track Your iPhone Activity in iOS 14.5 for More Control Over Your Privacy

If you're like me, you're not too keen on being tracked. So when an app asks you if it can track your iPhone activity across other programs and websites for ads or data brokers, the answer is pretty much always "no." If you're tired of choosing "Ask App Not to Track" over and over again, there is a way to stop apps from even being able to ask in the first place.