Câu 277: Isaca Certified Information Security Manager

An attacker was able to gain access to an organization's perimeter firewall and made changes to allow wider external access and to steal data. Which of the following would have BEST provided timely identification of this incident?

1. A. Implementing a data loss prevention (DLP) suite
2. B. Deploying an intrusion prevention system (IPS)
3. C. Deploying a security information and event management system (SIEM) — đáp án hiện tại
4. D. Conducting regular system administrator awareness training