What is computer security

Computer Security "Computer Security" refers to a comprehensive set of measures to protect computer systems and data from unauthorized access, damage, tampering or leakage, aiming to ensure the confidentiality of computer systems and their data. , completeness and availability.

# Operating system for this tutorial: Windows 10 system, Dell G3 computer.

Computer Security (Computer Security) refers to a comprehensive set of measures to protect computer systems and data from unauthorized access, damage, tampering or leakage. Computer security aims to ensure the confidentiality, integrity, and availability of computer systems and their data.

The importance of computer security is becoming more and more prominent, because with the development of computer technology and the popularization of the Internet, we are faced with various security threats, such as viruses, malware, hacker attacks, data leaks, etc. Lack of appropriate security measures may lead to information theft, system destruction, personal privacy exposure and other issues.

In order to protect the security of computer systems, a series of security measures need to be taken, including:

1. Firewalls and intrusion detection systems: used to monitor and filter network traffic to prevent Unauthorized access and malicious activity.

2. Permission management and access control: Ensure that only authorized users can access computer systems and data and operate based on the principle of least privilege.

3. Password policy and authentication: Set strong passwords, change passwords regularly, and use measures such as multi-factor authentication to ensure the legitimacy and security of user identities.

4. Data encryption: Encrypt sensitive data to ensure the confidentiality of data during transmission and storage.

5. Security updates and vulnerability patching: Timely install security updates for the operating system and applications, and patch known vulnerabilities to prevent malicious attackers from using known vulnerabilities to enter the system.

6. Security awareness training: Improve users’ security awareness and educate users to identify and avoid common security risks and social engineering attacks.

To sum up, computer security is to protect computer systems and data from unauthorized access and damage through a series of technologies and measures to ensure the normal operation of computer systems and users. Data security.

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