Popular formats are PNG, PDF, and jpeg, and they can then be presented either on the fly or directly to an X terminal, Web page, or a general graphic viewer utility.

When the code sends you messages you see in the spare X terminal while browsing various pages, you get important feedback that facilitates and enhances your knowledge of the system.

One major advantage with technology like Korset in addressing all that, he said, is that it doesn't rely on the airline terminal X-ray scanning approach to spotting such malware.