When a significant vulnerability is identified in a critical web server, who should be notified immediately?

Notifying the system owner immediately when a significant vulnerability is identified in a critical web server is essential for several reasons. The system owner is typically responsible for the overall management, security, and integrity of the system. They have the authority and necessary access to direct the response to the vulnerability, whether that involves implementing patches, reconfiguring the server for better security, or coordinating with other teams for further action.

As vulnerabilities can lead to potential breaches or compromises, the system owner's immediate awareness allows for timely corrective measures to be taken. This prompt action can help minimize the impact of the vulnerability on the organization, ensuring that critical data and services are protected.

While it is also important for the development team, data owners, and incident response team to be involved in the process, the primary responsibility for initiating corrective action falls to the system owner. They play a critical role in ensuring that the necessary resources are allocated, and that the appropriate security controls are put in place to address the identified vulnerability effectively.