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.
Due to the overnight success of smartphones, millions of people are connecting with others. Currently, over 15 million text messages are sent every minute worldwide. Most of this communication is happening in the open where any hacker can intercept and share in the discussion unbeknownst to the participants. However, we don't need to communicate insecurely.
Probably SSH is not as clean and fast as other useful tools like netcat, but it has some features which are very useful, and when you'll need them, here's how to behave with that huge amount of computers all over your house.
One of the biggest problems in data security is authentication of data and its source. How can Alice be certain that the executable in her inbox is from the venerable Bob, and not from the not-so-venerable Oscar? Clearly Alice wants to know because if this file is actually sent to her by Oscar, the file might not be a game, but a trojan that can do anything on her computer such as sift through her email and passwords, upload her honeymoon pictures, or even turn on microphones and webcams. Thi...
There has been significant debate over law enforcement's right to access our digital devices in recent years. New tools from Grayshift and Cellebrite are popping up faster than ever to help government agencies, as well as traditional hackers, break into iPhones. If you're concerned, you can take steps right now to beef up your passcode and prevent outsiders from gaining access to your device.
Now that smartphones have ensured that we're connected to the internet 24/7, online privacy has become more important than ever. With data-mining apps hoping to sell your information for targeted ads, and government agencies only one subpoena away from knowing every detail of your private life, encryption has become our last line of defense.
If there is a major blind spot in the AR space in 2019, it's the impact that blockchain technology will eventually have on the software distributed in AR clouds.
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.
Nearly every native app on the iPhone received an upgrade or new features in iOS 14 — and Safari is no exception. The web browser now has better password protection, faster performance, privacy reports, and built-in translations, just to name a few. Some of the Safari updates went unnoticed by many, but they're there and ready to use in iOS 14.
Secure Shell is one of the most common network protocols, typically used to manage remote machines through an encrypted connection. However, SSH is prone to password brute-forcing. Key-based authentication is much more secure, and private keys can even be encrypted for additional security. But even that isn't bulletproof since SSH private key passwords can be cracked using John the Ripper.
Apple's iOS 13 has been available for beta testing since June, and the stable release pushed out to everyone on Thursday, Sept. 19. To help you make the most out of iOS 13 for iPhone, we've rounded up everything you'll want to know, whether a colossal feature, small settings change, interface update, or hidden improvement.
OpenBSD implements security in its development in a way that no other operating system on the planet does. Learning to use the Unix-like operating system can help a hacker understand secure development, create better servers, and improve their understanding of the BSD operating system. Using VirtualBox, the OS can be installed within a host to create a full-featured test environment.
The last iOS software update was a modest one, but iOS 17.4 has a lot more for your iPhone, including changes to emoji, Podcasts, security, Safari, widgets, Apple Cash, CarPlay, and more.
I recently found this video series that discusses (in a more round about way) the theories that make cryptography what it is today, which goes great with my most recent blog post. I haven't finished watching them all yet, but so far they have been fairly good and I would recommend watching one to see if you like it?!
There is a vast amount of knowledge out there on computers! In fact, it is so vast that no single person could ever possibly ever learn everything there is to learn about hacking or computers in general. People usually specialize in a certain field: cryptography, computer security, networking, software development, testing, and so on...It's probably a bit premature to decide what you want your speciality to be, but keeping the question in the back of your mind will help give you direction in ...
Welcome to the fifth Community Byte for coding in Python and beating the challenges given to us from HackThisSite. These sessions are created to bring our community together, to learn from each other, and essentially grow together. Everyone is welcome, from novice programmers to aspiring hackers—even people that are nearly computer illiterate.
Today, we are going to combine what we learned from the Introduction to Cryptography article with our Java programming skills. If you are new to Java, check out Matthew's Learn Java: Part One for a quick beginner's lesson, or check out some of the Java tutorials directly on Oracle.
As you progress in the world of information security, you'll find yourself in situations where data protection is paramount. No doubt you will have files to hide and secrets to share, so I'm going to show you how to use the GNU Privacy Guard (GnuPG or GPG for short) to encrypt and decrypt as you need. GPG is a great open-source version of Pretty Good Privacy (PGP), a similar application used for encryption, but licensing and patent problems led to the development of GPG in its wake.
It was brought up a while back in a Community Call to Arms that *math* is handy for encryption (and let's face it, everything) so let us go over things you just have to know. "In its simplest meaning in mathematics and logic, an operation is an action or procedure which produces a new value from one or more input values."[source]
WonderHowTo is a how-to website made up of niche communities called Worlds, with topics ranging from Minecraft to science experiments to Scrabble and everything in-between. Check in every Wednesday evening for a roundup of user-run activities and how-to projects from the most popular communities. Users can join and participate in any World they're interested in, as well as start their own community.
WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects.
Have you ever forgotten your password and didn't know how to get back on your computer? Or ever had an annoying roommate you wanted to play a trick on to teach them a lesson? Or perhaps overly religious parents who think the internet is of the devil and won't let you read online articles about elliptic curve cryptography applications to C++? Well, then this article is for you!
