Trying PGP

Some months ago, I wrote about using PGP and S/MIME to keep e-mail private. As much as I love the idea of keeping my e-mail private, I rarely use PGP or S/MIME. This is because the people with whom I communicate don’t use PGP or S/MIME. To improve this situation, I’ve...
The Password Must Die

The Password Must Die

Passwords are everywhere. We have too many of them. We know we shouldn’t re-use them, but we already have too many and we can’t remember another one. So we use one in multiple places and we get in trouble when one website is compromised. They cost us time and money...

Keeping E‐mail Private

I can’t think of anyone who would argue that keeping e‐mail private is of little import or an easy task. I use e‐mail as storage for personal information, for authentication, and for communicating when I want the communications to be private. Such private information...

Can We Detect PixelJihad Steganography?

In my last post, I created a visualization of where information is hidden in an image using a steganographic tool called PixelJihad.  In this post, I’ll talk about a rudimentary method of searching for the pixels that may be hiding information.  This is our...

Looking at Steganography

With the help of one of my favorite news aggregators, I discovered this article on using JavaScript and the canvas element to hide information inside images. I’ve long been fascinated by steganography and this article and demonstration makes it even more...