What built-in Windows feature could you have implemented to protect the sensitive information on these laptops?

You are the CIO for Avantes Finance International, a global finance company based in Geneva. You are responsible for network functions and logical security throughout the entire corporation. Your company has over 250 servers running Windows Server, 5000 workstations running Windows Vista, and 200 mobile users working from laptops on Windows 7.

Last week, 10 of your company’s laptops were stolen from salesmen while at a conference in Amsterdam. These laptops contained proprietary company information. While doing damage assessment on the possible public relations nightmare this may become, a news story leaks about the stolen laptops and also that sensitive information from those computers was posted to a blog online.

What built-in Windows feature could you have implemented to protect the sensitive information on these laptops?

A.
You should have used 3DES which is built into Windows

B.
If you would have implemented Pretty Good Privacy (PGP) which is built into Windows, the sensitive information on the laptops would not have leaked out

C.
You should have utilized the built-in feature of Distributed File System (DFS) to protect the sensitive information on the laptops

D.
You could have implemented Encrypted File System (EFS) to encrypt the sensitive files on the laptops