Monday, November 27, 2006

Defeating Image-Based Virtual Keyboards

Image based keyboard (or virtual keyboards) were invented to make life harder for banking or phishing trojan horses (specifically key-stroke loggers or key loggers), some even suggested they be used specifically to avoid these trojan horses. The bad guys adapted to this technology and escalated. Now the trojan horses take screenshots of where the mouse pointer is to determine what number they clicked on. Thing is, it is often unnecessary as in most implementations of this technique that we looked into (meaning, not all) it was flawed.

Read the article HERE.


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