* To reduce risk impact, the best course of action is to implement corrective measures, which are actions taken to eliminate or minimize the negative effects of a risk event after it has occurred12.
* Corrective measures can include restoring normal operations, repairing or replacing damaged assets, recovering lost data, compensating affected stakeholders, and implementing lessons learned12.
* Corrective measures can reduce risk impact by minimizing the duration, severity, and scope of the consequences of a risk event, as well as preventing recurrence or escalation of similar risks in the future12.
* The other options are not the best course of action to reduce risk impact, but rather different types of risk responses that may have different objectives and effects. For example:
* Creating an IT security policy is an example of a preventive measure, which is an action taken to avoid or reduce the likelihood of a risk event before it occurs12. A preventive measure can reduce risk exposure, but not risk impact.
* Implementing detective controls is an example of a monitoring measure, which is an action taken to identify and measure the occurrence or status of a risk event during or after it occurs12. A monitoring measure can provide timely information and feedback, but not reduce risk impact.
* Leveraging existing technology is an example of a mitigation measure, which is an action taken to reduce the likelihood or impact of a risk event before it occurs12. A mitigation measure can reduce risk exposure, but not necessarily risk impact. References =
* 1: Risk Management Guide for Information Technology Systems, NIST Special Publication 800-30, July 2002
* 2: Project Risk Management Handbook, California Department of Transportation, June 2011

Several network user accounts were recently created without the required management approvals. This indicates that there is a risk of unauthorized access, use, disclosure, modification, or destruction of the network resources or data, which may affect the confidentiality, integrity, and availability of the network.
The best recommendation to address this situation is to investigate the root cause of noncompliance. This means that the risk practitioner should analyze the factors or reasons that led to the creation of the network user accounts without the required management approvals, such as human error, negligence, malice, system failure, process flaw, etc.
Investigating the root cause of noncompliance helps to identify and correct the source of the problem, prevent or reduce the recurrence of the problem, and improve the compliance and security of the network user accounts.
The other options are not the best recommendations to address this situation. They are either secondary or not effective for noncompliance.
The references for this answer are:
Risk IT Framework, page 31
Information Technology & Security, page 25
Risk Scenarios Starter Pack, page 23

The best way to provide assurance of the effectiveness of vendor security controls is to require independent control assessments. Independent control assessments are evaluations of the vendor's security controls by a third-party auditor or assessor, such as an external auditor, a certification body, or a testing laboratory.
Independent control assessments provide an objective and unbiased opinion on the adequacy and performance of the vendor's security controls, as well as the compliance with relevant standards and regulations.
Independent control assessments can also provide evidence and assurance to the customers of the vendor's security posture and capabilities. Reviewing vendor control self-assessments (CSA), vendor service level agreement (SLA) metrics, or vendor references from existing customers are not as reliable or credible as independent control assessments, because they may be biased, incomplete, or outdated.

Understanding the Question:
The question asks what best enables the integration of IT risk management across an organization.
Analyzing the Options:
A). Enterprise risk management (ERM) framework:Provides a comprehensive approach to integrating risk management across the entire organization.
B). Enterprise-wide risk awareness training:Important for education but doesn't ensure integration.
C). Robust risk reporting practices:Crucial for communication but not integration.
D). Risk management policies:Necessary but need to be part of an overall framework for effective integration.
ERM Framework:An ERM framework ensures that risk management practices are standardized and integrated throughout the organization. It aligns risk management with business objectives, ensuring that IT risk is considered within the broader context of enterprise risk.
Comprehensive Approach:ERM covers all aspects of risk, including IT, and facilitates a unified approach to managing risk across all departments and levels.
References:
CRISC Review Manual, Chapter 1: Governance, details the role of an ERM framework in integrating risk management practices across an organization.