A computer forensic audit is a process of collecting, preserving, analyzing, and presenting digital evidence from electronic devices in a legally admissible manner. It is most relevant in situations where data loss due to hacking of servers occurs, as it can help to identify the source, method, and extent of the attack, as well as recover the lost or damaged data. The other options are not as suitable for a computer forensic audit, as they relate to internal control issues, data quality issues, or system maintenance issues, which can be addressed by other types of audits or reviews. References: CISA Review Manual (Digital Version), Domain 4: Information Systems Operations and Business Resilience, Section 4.5 Computer Forensics1

While all the options can help reduce the risk of data leakage, providing education and guidelines to employees on the use of social networking sites would be the most effective. This is because it directly addresses the issue at hand - the use of social networking sites for business purposes1. Education and guidelines can help employees understand the risks associated with social media use and teach them how to safely and responsibly use these platforms for business purposes1. This includes understanding privacy settings, recognizing phishing attempts, and knowing what information should not be shared on these platforms1.
References:
* 10 Social Media Guidelines for Employees in 2023 - Hootsuite

The best method to safeguard data on an organization's laptop computers is full disk encryption. Full disk encryption is a technique that encrypts all the data stored on a hard drive, including the operating system, applications, files, and folders. This means that if the laptop is lost, stolen, or accessed by an unauthorized person, they will not be able to read or modify any data without knowing the encryption key or password. Full disk encryption provides a strong level of protection for data at rest, as it prevents data leakage or exposure in case of physical theft or loss of the device.
References:
* How to Protect the Data on Your Laptop
* 6 Steps to Practice Strong Laptop Security

Comprehensive and Detailed Explanation:
When an auditor finds that the process owner is accepting residual risk beyond the organization's defined risk appetite, it is not appropriate to accept the action plan or wait until the next committee report.
* Escalating to audit management (D) is the correct step. Audit management can then determine whether to escalate further to executive management or the audit committee.
* Including in the next report (A) delays timely risk response.
* Informing executive management directly (B) bypasses the audit reporting hierarchy.
* Accepting the plan (C) would be inappropriate as it ignores risk governance.
# ISACA Reference: CISA Review Manual 27th Edition, Domain 1 (Governance and Risk Management), section on Risk appetite, residual risk, and auditor's role in escalation.

Maintaining an onboarding and annual security awareness program is the best way to prevent social engineering incidents because it can educate the users about the common techniques and tactics used by social engineers and how to avoid falling victim to them. Ensuring user workstations are running the most recent version of antivirus software, including security responsibilities in job descriptions and requiring signed acknowledgment, and enforcing strict email security gateway controls are all good security practices, but they do not directly address the human factor that is exploited by social engineering. References:
* ISACA, CISA Review Manual, 27th Edition, 2020, p. 3671
* ISACA, CISA Review Questions, Answers & Explanations Database - 12 Month Subscription2