What are the four computer security types?
Computer security is the process of preventing unauthorized access, theft, damage, and interruption of computer systems and networks. The four primary categories of computer security are as follows:
Physical Security:
The safeguarding against theft, destruction, or damage of the real hardware and pieces of computer equipment is referred to as physical security. Securing servers, laptops, desktop computers, and other pieces of hardware is part of this. Locked doors, surveillance cameras, biometric access control systems, alarms, and other safeguards against unauthorized access are examples of physical security measures.
Network Security:
Network security is the process of defending computer networks and the devices connected to them from intruders, hackers, and other online dangers. To secure data transmission over the internet or other networks, networks might use firewalls, intrusion detection and prevention systems, virtual private networks (VPNs), and other security protocols.
Application Security:
Application security is the safeguarding of computer software programmes against unapproved access, data thievery, or other harmful assaults. This involves steps to stop unauthorized access to or modification of software code, such as access restrictions, data encryption, code reviews, and other actions.
Information Security:
Information security is the process of preventing unauthorized access, theft, or exposure of sensitive or secret information. To secure sensitive data, such as credit card numbers, personal identifiable information (PII), and other sensitive data, this involves steps like data encryption, access limits, and other security processes.
In general, computer security is crucial to safeguarding networks and systems against malicious attacks, unauthorized access, and data theft. Organisations may protect their important data and uphold the integrity and availability of their computer systems and networks by putting physical, network, application, and information security safeguards in place.
Protecting computer systems and networks from unauthorized access, theft, damage, or interruption is the practise of computer security. Physical security, network security, application security, and information security are the four basic categories of computer security.
Physical Protection
Physical security refers to the precautions used to safeguard a computer system’s actual hardware, tools, and data centers. To stop unauthorized access to computer equipment and data, physical security measures like locks, access restrictions, security cameras, and security guards are used.
For protection against theft, vandalism, and natural calamities, physical security is essential. To guarantee that crucial systems continue to function even in the case of a power loss, fire, or other calamity, data centers, for instance, are often built with redundant power supply, backup generators, and fire suppression systems.
Network Protection
Measures made to safeguard computer networks from unauthorized access, theft, and damage are referred to as network security. Firewalls, intrusion detection and prevention systems (IDS/IPS), virtual private networks (VPNs), and other technologies that aid in preventing unauthorized access to network resources are examples of network security measures.
In order to defend against external threats like malware, Do’s attacks, and hacking, network security is crucial. In order to prevent unauthorized parties from intercepting and listening in on network communication, network security also entails making sure that it is encrypted and safe.
Software Security
Application security describes the safeguards put in place to guard against unauthorized access, theft, and damage to computer programmes. To prevent unauthorized access to application data, security measures for the application include access restrictions, input validation, error handling, and encryption.
Application security is essential for defending against internal and external threats including malware, data theft, and hacking. In order to avoid introducing vulnerabilities during development, application security also entails making sure that programmes are conceived and developed with security in mind.
Information Protection
Information security describes the procedures used to guard against unauthorized access, theft, and damage to private and sensitive data. To stop data breaches and other security events, information security measures include encryption, access restrictions, backup and recovery protocols, and security awareness training for staff.
Protection against internal and external dangers including hacking, data theft, and insider threats requires information security. In order to avoid unauthorized access or exposure, information security also entails making sure that sensitive data is stored, transported, and processed in a safe and legal manner.
Computer security is essential for preventing unauthorized access, theft, damage, or interruption of computer systems and networks. Physical security, network security, application security, and information security are the four basic categories of computer security. All are necessary to guarantee the security and integrity of computer systems and networks, and each form of security necessitates a separate set of safeguards and technologies to defend against a variety of threats.
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