need help with a assignment 1

submit a 2 to 3 page response to the following in your paper:

Who is ultimately responsible for the security of information in an organization?
What are the disadvantages of using a VPN instead of a leased line?
If a hacker hacks into a network, copies a few files, defaces the Web page, and steals credit card numbers, identify the different threat categories encompassed by this attack?
What do VPNs do that firewalls cannot do?

Your assignment must follow these formatting requirements:

Single typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.
Include a cover page containing the title of the assignment
The cover page and the reference page are not included in the required assignment page length