Authorization rules, encryption, Authentication schemes, assignment help

For
each of the situations described below, indicate which of the following security
measures is most appropriate:

•
Authorization rules

•
Encryption

•
Authentication schemes

a.
A national brokerage firm uses an electronic funds transfer (EFT) system to
transmit sensitive financial data between locations.

b.
An organization has set up an offsite computer-based training center. The
organization wishes to restrict access to the site to authorized employees. Because
each employee’s

Use
of the center is occasional, the center does not wish to provide the employees
with keys to access the center.

c.
A manufacturing firm uses a simple password system to protect its database but
finds it needs a more comprehensive system to grant different privileges (e.g.,
read, versus

Create
or update) to different users.

d.
A university has experienced considerable difficulty with unauthorized users accessing
files and databases by appropriating passwords from legitimate users.