A continuous information security monitoring program can best reduce risk through encompassing people, process, and technology. A continuous information security monitoring program is a process that involves maintaining the ongoing awareness of the security status, events, and activities of a system or network, by collecting, analyzing, and reporting the security data and information, using various methods and tools. A continuous information security monitoring program can provide several benefits, such as:
Improving the security and risk management of the system or network by identifying and addressing the security weaknesses and gaps
Enhancing the security and decision making of the system or network by providing the evidence and information for the security analysis, evaluation, and reporting
Increasing the security and improvement of the system or network by providing the feedback and input for the security response, remediation, and optimization
Facilitating the compliance and alignment of the system or network with the internal or external requirements and standards
A continuous information security monitoring program can best reduce risk through encompassing people, process, and technology, because it can ensure that the continuous information security monitoring program is holistic and comprehensive, and that it covers all the aspects and elements of the system or network security. People, process, and technology are the three pillars of a continuous information security monitoring program, and they represent the following:
People: the human resources that are involved in the continuous information security monitoring program, such as the security analysts, the system administrators, the management, and the users. People are responsible for defining the security objectives and requirements, implementing and operating the security tools and controls, and monitoring and responding to the security events and incidents.
Process: the procedures and policies that are followed in the continuous information security monitoring program, such as the security standards and guidelines, the security roles and responsibilities, the security workflows and tasks, and the security metrics and indicators. Process is responsible for establishing and maintaining the security governance and compliance, ensuring the security consistency and efficiency, and measuring and evaluating the security performance and effectiveness.
Technology: the tools and systems that are used in the continuous information security monitoring program, such as the security sensors and agents, the security loggers and collectors, the security analyzers and correlators, and the security dashboards and reports. Technology is responsible for supporting and enabling the security functions and capabilities, providing the security visibility and awareness, and delivering the security data and information.
The other options are not the best ways to reduce risk through a continuous information security monitoring program, but rather specific or partial ways that can contribute to the risk reduction. Collecting security events and correlating them to identify anomalies is a specific way to reduce risk through a continuous information security monitoring program, but it is not the best way, because it only focuses on one aspect of the security data and information, and it does not address the other aspects, such as the security objectives and requirements, the security controls and measures, and the security feedback and improvement. Facilitating system-wide visibility into the activities of critical user accounts is a partial way to reduce risk through a continuous information security monitoring program, but it is not the best way, because it only covers one element of the system or network security, and it does not cover the other elements, such as the security threats and vulnerabilities, the security incidents and impacts, and the security response and remediation. Logging both scheduled and unscheduled system changes is a specific way to reduce risk through a continuous information security monitoring program, but it is not the best way, because it only focuses on one type of the security events and activities, and it does not focus on the other types, such as the security alerts and notifications, the security analysis and correlation, and the security reporting and documentation.
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