In order to determine the appropriate level of cybersecurity practices necessary for an organization, the company should:

The appropriate level of cybersecurity is determined by an organization's specific risk profile. A risk-based approach begins by identifying and evaluating potential threats and their impact on business operations. By understanding which situations could cause the most significant disruption (e.g., financial loss, operational downtime, reputational damage), a company can prioritize and tailor its cybersecurity practices to mitigate the most critical risks. This ensures that security investments are proportional to the potential harm and aligned with business objectives.

A. Information sharing with partners is only one specific risk factor, not the comprehensive basis for determining the overall cybersecurity level.
C. Collaboration methods are a component of the business process but do not, by themselves, define the necessary level of security controls.
D. ISO 27000 standards provide a framework of best practices, but they must be applied based on a prior risk assessment to be effective.

1. National Institute of Standards and Technology (NIST). (2018). Framework for Improving Critical Infrastructure Cybersecurity, Version 1.1. (See Core Function "Identify" (ID.RA), pp. 22-24, which details the need to identify cybersecurity risks to organizational operations, assets, and individuals). DOI: https://doi.org/10.6028/NIST.CSWP.04162018

2. ISO/IEC 27001:2022. Information security, cybersecurity and privacy protection — Information security management systems — Requirements. (Clause 6.1.2, "Information security risk assessment," mandates that organizations shall define and apply a risk assessment process to determine necessary controls).

3. Whitman, M. E., & Mattord, H. J. (2019). Management of Information Security (6th ed.). Cengage Learning. (Chapter 4, "Risk Management," explains that risk assessment, including business impact analysis, is the foundation for developing a cybersecurity program).