Which of the following describes proactive security?

• A. Responding to security incidents after they occur
• B. Anticipating potential security threats and mitigating them
• C. Conducting regular employee training
• D. Only implementing security measures following a breach

Answer: (B)

Proactive security focuses on anticipating potential security threats before they materialize and implementing measures to mitigate these threats. This approach involves assessing vulnerabilities, understanding the threat landscape, and taking actions to prevent incidents from occurring. For instance, proactive security may include regular risk assessments, vulnerability scanning, and the implementation of security controls based on anticipated risks.

In contrast, responding to security incidents after they occur is reactive security, which does not prevent incidents but rather deals with them post-factum. Conducting regular employee training is essential, but it's only one aspect of a proactive strategy and doesn't cover the broader concept of anticipating threats. Only implementing security measures following a breach is a reactive approach as well, as it signifies a response rather than a preventative strategy. Therefore, the definition that encompasses the essence of proactive security is the anticipation and mitigation of potential threats.