WEEK 5 ESSAY QUESTIONS
Instructions: Answer all questions in a single document. Then submit to the
appropriate assignment folder. Each response to a single essay question should
be about a half-page in length (about 150 words). 1. Access controls are security features that are usually considered the first
line of defense in asset protection. They are used to dictate how subjects
access objects, and their main goal is to protect the objects from
unauthorized access. Access control models are frameworks that use access
controls to enforce the rules and objectives of the model. In your essay
response, compare the different Access Control Models and give an
example of one that you have used in a work situation or if that is not
possible, one that you’ve read about in a scholarly article. 2. Relying on a password to secure access to a system does not provide
enough security in today’s complex world. The Office of Personnel
Management learned this the hard way in 2015. Since OPM was hacked
and it was learned that the attackers compromised their system
administrator accounts that were protected only with passwords, the
Federal government has required the use of multifactor authentication for
privileged accounts. Describe the three factors that can be used in
authentication and give at least two examples for each. 3. There are two main methods of access control administration that an
organization can choose between to achieve the level of protection that
they need to secure their assets and information: centralized and
decentralized. Describe the RADIUS, TACACS, and DIAMETER forms of
centralized access control administration. What are the advantages and
disadvantages of decentralized administration.
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