What are the three types of computer security? 

Computer security is a multi-faceted discipline that protects systems, networks, and data from theft, damage, or unauthorized access. Three primary types of computer security are: 

  1. Physical Security: This refers to the tangible protections put in place to safeguard hardware and data storage devices. This includes locks, biometric access controls, surveillance systems, and secure locations to prevent theft or physical damage. 
  1. Network Security: This involves measures to protect data during transfer and guard against unauthorized intrusions. Techniques include the use of firewalls, intrusion detection systems, VPNs, and secure protocols. 
  1. Information Security: This focuses on protecting data stored on computers and networks. Methods include encryption, secure password practices, access controls, and regular backups. 

While these categories have distinct focuses, in practice, they often overlap and complement each other to create a holistic security framework.

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