Bezpečnost, or security, in computer science refers to measures and protocols designed to protect systems, networks, and data from unauthorized access, attacks, damage, or theft. It encompasses a range of practices including physical security, network security, application security, and information security.
Security aims to ensure the confidentiality, integrity, and availability (CIA triad) of information. Confidentiality ensures that sensitive information is accessible only to those authorized to have access. Integrity ensures that data is accurate and trustworthy, maintaining its consistency and preventing unauthorized modifications. Availability ensures that information and resources are accessible to authorized users when needed.
Security can involve various technologies and strategies, such as firewalls, encryption, intrusion detection systems, and access controls. It also includes policies and procedures to manage security risks, respond to incidents, and educate users about security best practices. Effective security is essential for protecting valuable digital assets in an increasingly interconnected and threat-prone environment.
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