Cyber security operations centre (CSOC) is an essential business control aimed to protect ICT systems and support an organisation's Cyber Defense Strategy. Its overarching purpose is to ensure that incidents are identified and managed to resolution swiftly, and to maintain safe & secure business operations and services for the organisation. A CSOC framework is proposed comprising Log Collection, Analysis, Incident Response, Reporting, Personnel and Continuous Monitoring.Further, a Cyber Defense Strategy, supported by the CSOC framework, is discussed. Overlaid atop the strategy is the well-known Her Majesty's Government (HMG) Protective Monitoring Controls (PMCs). Finally, the difficulty and benefits of operating a CSOC are explained.

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