Hackers prefer to encrypt where they exist, rather than stealing and selling data as in the past. Attacks use with this method are called Ransomware. In fact, the concept is not new; but hackers prefer this method because of more quickly and easy a way of making money.
Look at the 2016 Cost of Cyber Crime Study & the Risk of Business Innovation, it van be seen that the cost of data is getting increase for years. Looking at pattern of attack, the pay rate was less tan %3 in 2012 and now it’s almost %50 so ransomware is one the reasons why this attack is preferred.
The job of ransomware has become so popular that it almost become a service in Silicon Valley. In the Valley, inspired by "Software as a service" they call this concept "Ransomware as a service."
Information Technology Audit, Security and Consultancy Services Partner