New discovery by Kapersky anti-virus software company, shows that spying software has been placed on firmwares of hard drives which collects and reports information to the NSA. A former NSA employee has confirmed this finding.
Basically, this is yet another back-door that can be used to spy on the entire world, as you go about your business typing MS word, PowerPoint and other personal documents and store it on your hard drive, thinking it is safe and secure, but in-fact the backdoor may be reporting your work to spy agencies.