What is the basic meaning of security?

The basic meaning of security is the condition of being protected from harm, danger, loss, or threat, and feeling safe, stable, and free from fear. At its core, security means safety and protection. It comes from Latin securus meaning free from care, se meaning without and cura meaning care. For individuals, security means having basic needs met, physical safety from violence, financial stability to handle emergencies, and emotional confidence. For organizations, security means protecting people, property, information, and operations from intentional threats like theft and cyber attacks and unintentional threats like accidents and natural disasters. It involves measures that prevent, detect, and respond to risks, such as locks, guards, firewalls, policies, and insurance. Security can be objective, actual protection, and subjective, feeling safe. In modern usage, security covers physical security, information security, national security, financial security, and personal security, but all share same basic idea of creating conditions where people and assets are safe and can function without constant fear of harm or loss, enabling well being and productivity.