
Explanation:
The correct order of steps in an information security assessment is:
* Step 1: Define the perimeter
* Step 2: Identify the vulnerability
* Step 3: Assess the risk
* Step 4: Determine the actions
Comprehensive Explanation: An information security assessment is a process of evaluating the security posture of a system, network, or organization. It involves four main steps:
* Define the perimeter: This step involves defining the scope, objectives, and criteria of the assessment, as well as identifying the assets, boundaries, and stakeholders of the system.
* Identify the vulnerability: This step involves collecting and analyzing data from various sources, such as interviews, documents, scans, tests, and audits, to identify the weaknesses and gaps in the system's security controls.
* Assess the risk: This step involves estimating the likelihood and impact of the threats exploiting the vulnerabilities, and calculating the level of risk for each scenario.
* Determine the actions: This step involves prioritizing the risks and recommending the appropriate actions to mitigate or eliminate them, such as applying patches, implementing policies, or changing configurations.
References: CISSP All-in-One Exam Guide, Eighth Edition, Chapter 7: Security Assessment and Testing, page 853; Official (ISC)2 Guide to the CISSP CBK, Fifth Edition, Chapter 6: Security Assessment and Testing, page 791.
