The Ransomware Epidemic Is Growing and Hurting a Lot of Businesses

A computer keyboard is displayed in Sydney on July 9, 2012. Tens of thousands of people around the world whose computers were infected with malware known as DNS Changer last year, may lose their Internet access on July 9 when a US government fix expires, security experts say. The largest number of computers were in the United States (69,000), but more than a dozen countries including Australia, were also believed to have infected computers. AFP PHOTO / Greg WOOD (Photo credit should read GREG WOOD/AFP/Getty Images)