In the old days, criminals liked their ransom payments in briefcases full of unmarked bills. These days, there's a new preferred method for hostage takers: the virtual currency Bitcoin.
In a modern day version of a mob shakedown, hackers around the world have seized files on millions of computers, taken down public websites and in a few cases, even threatened physical harm.
The victims -who have ranged from ordinary computer users to financial firms and police departments -are ..
Read more at:
http://economictimes.indiatimes.com/articleshow/48232877.cms?utm_source=contentofinterest&utm_medium=text&utm_campaign=cppst
