Digital Sleeper Cell: NSA infected 50,000 computer network with data stealing malware

The NSA has infected more than 50,000 computer networks across globe with a malware which is capable of stealing sensitive data from the victim's machine.

According to the NRC.nl report which is based on documents provided by US whistleblower Edward Snowden, the practice called as Computer Network Exploitation (CNE)".

The malware is being referred as "digital Sleeper cell" , it is being controlled by NSA and they can remotely turn it on or off.

The number of infected networks in 2008 is reportedly over 20,000.  By mid of the 2012, the number of infected network is increased to 50k.