A "Live System" refers to a computer system that is currently operational and actively processing data. This can include servers, networks, and applications that are in use, providing services to users or other systems. Live systems are crucial for businesses and organizations, as they support daily operations and facilitate real-time interactions. In the context of software development, live systems are often contrasted with test environments, where changes and updates are made before being deployed. Maintaining the integrity and security of live systems is essential, as any disruptions can lead to data loss or service outages, impacting users and stakeholders.