Police in 16 countries have arrested nearly 100 people in a massive computer hacking scheme that allowed the suspects to take control of victims' computers and demand ransom.
Arrests were made in the United States and Europe.
U.S. attorneys say a company called BlackShades sold software that let users hack into private computers, steal passwords, credit card information and private photographs.
It could also gave some users access to webcams to spy into homes.
Suspects extorted money and bank information from their victims when software sent out notes saying the computers had been hacked, demanding a ransom to get it back.
Authorizes arrested BlackShades' owner Alex Yucel last year in Moldova. The United States is seeking his extradition.