Marty wants to ensure that his security policies are up-to-date and effective. Which of the following data sources is least likely to be useful as he reviews his organization’s security policies?

Feedback on policies from staff, integrating new and changed regulations, and validating reports from security tools are all common elements used to update security policies. Nondisclosure agreements (NDAs) seek to keep data secure through contractual obligations and are not a typical element in policy updates.