Stefan Rigo, a young man of 33 years, using a malware program called  Blackshades, through which control webcams of friends and other people, especially saving images in which they had intimate relations. British authorities said that he had a certain addiction to monitor the privacy of others, and for these activities he spends about 12 hours a day, according to the Daily Mail.

A spokesman of investigators said Rigo was arrested in November last year as part of an international operation which target cyber spies. He said that the defendant used his old friend’s bank details to pay for that spy program, a program that provides complete control over the target computer, which could be located anywhere in the world.

Besides sexual images, the defendant has acknowledged that Blackshades allowed both to control and monitor webcams and passwords or obtain various information from e-mails of those who were spied.  Angela McKenna, a senior officer who handled the case, said: “People who use tools Blackshades malware can seriously infringe the privacy of victims and use their computers bugged to facilitate other illegal acts.”

To prevent these attacks, British authorities have asked computer users to not click on unknown links or opening unidentified files sent by suspicious sources.