From around 2000 to 2006, Stoyanov worked in the Ministry of Internal Affairs (Russia) investigating cyber crime.
[2][3] In 2010, Stoyanov was reportedly the owner of Indrik, a computer crime investigative firm, until it was bought by Kaspersky Labs in 2012.
[11] In Stoyanov's case, he was accused of sharing information about convicted Russian cyber criminal Pavel Vrublevsky[12] with American authorities.
[13][14] In February 2019, a Moscow court convicted Stoyanov of high treason, and sentenced him to 14 years in prison.
[15] He was alleged to have caused Russian state secrets about convicted cybercriminal Pavel Vrublevsky's company, ChronoPay, to be passed along to the FBI.