Section: Volume B
Explanation:
There is an increased risk without a policy defining who has the responsibility for granting access to specific data or systems, as one could gain system access without a justified business needs. There is better chance that business objectives will be properly supported when there is appropriate ownership.
Incorrect Answers:
A, B, D: These risks are not such significant as compared to unauthorized access.

Explanation/Reference:
Explanation:
As new threats are identified and prioritized in terms of impact, the first step is to evaluate the ability of existing controls to mitigate risk associated with new threats and if it does not work then in that case facilitate the:
Modification of the technical architecture

Deployment of a threat-specific countermeasure

Implementation of a compensating mechanism or process until mitigating controls are developed

Education of staff or business partners

Incorrect Answers:
D: Applying more controls is not the good solution. They usually complicate the condition.

is incorrect. Sensitivity analysis is the quantitative risk analysis technique that: Assist in determination of risk factors that have the most potential impact Examines the extent to which the uncertainty of each element affects the object under consideration when all other uncertain elements are held at their baseline values Answer:C is incorrect. Fault tree analysis (FIA) is a technique that provides a systematic description of the combination of possible occurrences in a system, which can result in an undesirable outcome. It combines hardware failures and human failures. Answer:A is incorrect. This analysis is not a method for exposing risk factors. It is used for analyzing scenarios.