Bezpečnost (Security) in computer science refers to the measures and protocols implemented to protect computer systems, networks, and data from unauthorized access, damage, or disruption. It encompasses a wide range of practices and technologies designed to ensure the confidentiality, integrity, and availability of information. Key components of security include:
1. **Authentication**: Verifying the identity of users and systems to ensure that only authorized entities can access resources.
2. **Authorization**: Defining what authenticated users are permitted to do, including what data they can access and what actions they may perform.
3. **Encryption**: Transforming data into a coded format to prevent unauthorized access during storage or transmission.
4. **Network Security**: Protecting the integrity and usability of network and data by establishing secure connections, firewalls, and intrusion detection systems.
5. **Application Security**: Implementing measures to protect applications from vulnerabilities and exploits that can lead to data breaches and system compromise.
6. **Data Security**: Safeguarding data from corruption, theft, or unauthorized access through proper management and protection strategies, including backups and data loss prevention.
Security is a critical aspect of IT and is essential for maintaining user trust and compliance with laws and regulations.
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