tölvuroryggi
Tölvuroryggi, or computer security, is the practice of protecting computer systems, networks, software, and data from harm, unauthorized access, disclosure, alteration, and disruption. It combines technical measures, organizational policies, and human factors to reduce risk to information assets.
Core objectives are commonly described by the CIA triad: confidentiality, integrity, and availability. Security governance includes
Historically, tölvuroryggi emerged from the need to control access to early computers. As networks and the
The threat landscape includes malware, phishing, ransomware, credential theft, zero-day exploits, distributed denial-of-service attacks, and supply
Standards and frameworks guide tölvuroryggi, including ISO/IEC 27001 for information security management systems and NIST guidance