Which of the following best describes proactive security measures?

Proactive security measures focus on anticipating potential threats and taking steps to prevent incidents before they occur. This approach emphasizes the importance of risk assessment, proper planning, and the implementation of strategies that thwart potential security breaches or vulnerabilities. By engaging in proactive measures, organizations can reduce the likelihood of facing security incidents, leading to a more secure environment overall.

In contrast, responding to incidents after they've occurred, detecting threats as they happen, or preparing training for incident response represent reactive strategies that do not inherently prevent problems from arising in the first place. Proactive measures are about foresight and prevention, thus stopping issues before they can escalate into emergencies.