Dmitry Vitalevich Sklyarov is a Russian computer programmer and crypto expert who created "The Advanced eBook Processor" (AEBR) software - a program that cracks the encryption protection on Adobe's eBook format, converting it to Adobe PDF format. He created the program for his employer : ElcomSoft. On July 16, 2001, due to a complaint from Adobe Systems, a US company, that copy protection arrangements in its e-book file format were being violated by ElcomSoft's product, Sklyarov was arrested after giving a presentation called "eBook's Security - Theory and Practice" at the DEF CON convention in Las Vegas, Nevada. Sklyarov and his employer, ElcomSoft Co. Ltd. of Moscow, were charged with releasing a program that let readers disable restrictions on Adobe's electronic-book software.