On the first day of 2016, Mozilla terminated support for a weakening security technology called SHA-1 in the Firefox web browser. Almost immediately, they reversed their decision, as it would cut access to some older websites. But in February 2017, their fears finally came true: researchers broke SHA-1 by creating the first real-world collision attack. Here’s what all that means.
What Is SHAttered? SHA-1 Collision Attacks, Explained
On the first day of 2016, Mozilla terminated support for a weakening security technology called SHA-1 in the Firefox web browser. Almost immediately, they reversed their decision, as it would cut access to some older websites. But in February 2017, their fears finally came true: researchers broke SHA-1 by creating the first real-world collision attack. Here’s what all that means.
You might have seen a notification that things are changing in your inbox. Starting February 2017, Gmail changed its policy regarding JavaScript. Here’s why this is changing, and how you can protect yourself from malicious JavaScript.
There may be no point to it… it must be a stupid geek trick! Here’s how you can convert some of your images into sound files and hear what your photographs are secretly saying to you.
You spend all of the time you’re on the PC staring at that monitor—shouldn’t it be a good one? Today, we’ll decode the specs and monitor jargon to help you find the best possible LCD screen for your needs.
What’s with that weird graph with all the peaks and valleys? You’ve seen it when you open Photoshop or go to edit a camera raw file. But what is that weird thing called a histogram, and what does it mean?
With so many people looking for jobs, the slightest edge in your resume presentation has potential to make or break your chances. But not all filetypes or methods are created equal—read on to see the potential pitfalls your resume faces.
Confused by that digital SLR you have, and all the photography jargon that goes along with it? Take a look at some photography basics, learn how your camera works, and how that can help you take better pictures.
We’ve become reliant on digital cameras since they are so easy to use. But have you ever wondered how film-based photography works? Read on to increase your photographic knowledge—or to develop an new appreciation for your point and click camera.
Recently, popular photographer Trey Ratcliff said he’s done buying DSLR cameras because mirrorless cameras are the future. Let’s take a look at what these cameras are, and see if Trey is onto something, or just full of hot air.
You might laugh at the high retail prices for “premium” cables at big box retail stores. But is it possible that a higher quality cable can give you a better digital signal? The nuance of the answer may surprise you.
So you’ve shelled out the money for a fancy inkjet photo printer, only you’re not impressed with the images you’re getting out of your standard office paper. Have you ever wondered why that photo paper works so much better?
As with most things, when you dissect a popular term like “resolution” to an acedemic (or geeky) level, you find that it’s not as simple as you might have been led to believe. Today we’re going to see just how far the concept of “resolution” goes, briefly talk about the implications of the term, and a little bit about what higher resolution means in graphics, printing, and photography.
It only takes seconds to lose everything you value on your computer, but thankfully, backing up everything doesn’t take forever and can be very cheap. Your data is very easy to lose, with malware, hardware failure, and general stupidity lurking around every corner–and once it’s gone, it’s gone forever.
You might have heard the enigmatic acronym “HDR” in reference to photography, or even seen it as a feature on your smartphone. It stands for “High Dynamic Range”, and it creates photos with gorgeous, impossible detail and clarity–though it can also help you avoid silhouettes and other issues in normal photos.
With recent acts of terrorism in Paris and Lebanon, news media and government have been using the word “encryption” as if it’s somehow to blame. Nonsense. Encryption is easy to understand, and if you’re not using it, you should be.
You’ve seen it over and over. The FBI uses their advanced technology to “enhance” a blurry image, and find a villain’s face in the worst possible footage. Well, How-To Geek is calling their bluff. Read on to see why.
You might know that there are special cameras for shooting panoramic pictures. Today, we’ll put one together in seconds that we shot with a regular digital camera and a tripod. Grab your favorite image editor and camera, and let’s go!
I have to be honest. I love the look of pixelated graphics! If you’re also a fan of jaggies or old school video game graphics, here is a simple trick to relive a little bit of that low pixel-depth goodness in any version of Photoshop.
We send a lot of email these days—at work, at home, on our phones… But do you know what all the email jargon means? Keep reading to find out more about the difference between the various ways to receive email.
When you’re shooting portraits, the soft background look keeps distracting backgrounds from ruining a shot. If you’ve not shot correctly, here’s a quick, simple tip to pop out your foreground and keep the most important parts the most visible.
Encryption tools exist to protect your privacy… and also to make you feel like you’re an awesome spy. Today we’ll use a portable USB drive to hold all of your passwords encrypted in a virtual disk hidden inside a file.
Printers have been using line tones to create rich looking images long before there was any digital art. Today we’ll be using Photoshop tricks (with no filters) to turn an ordinary photograph into old-timey line tone style piece of art.
Creating animations from scratch in Photoshop might seem daunting, but in fact, they’re very simple. Fire up Photoshop and grab some of your files. It’s time to annoy the pants off of your friends with lots of animated GIFs!
One of the characters you might have seen around How-To Geek is our very own “Keyboard Ninja.” Today, we honor him in t-shirt form, and you can pick the first design you’d like to see printed for the HTG store.
For those of you of the artistic persuasion, you might be using Photoshop or GIMP to color your scanned drawings. Fortunately, putting the line art in a transparent layer is very easy with this slick technique.
