What is the best definition for cybersecurity?

The best definition for cybersecurity is the comprehensive approach to protecting information assets by addressing threats to information processed by interconnected systems. This definition encapsulates the essence of cybersecurity, which extends beyond merely safeguarding data or digital devices. It emphasizes the interconnected nature of systems in today's digital landscape, recognizing that information is frequently exchanged across various platforms and devices.

Effective cybersecurity involves not only the protection of data but also the management of risks associated with potential threats, ensuring that all aspects of the information ecosystem are secured. It involves understanding and mitigating vulnerabilities that arise from the interconnectivity of systems, and it acknowledges that threats can come from various sources, including cyberattacks, data breaches, and insider threats.

This definition is holistic, taking into account the complexity and dynamic nature of cybersecurity challenges, making it the most appropriate choice among the options provided.