Computer and network security refers to the steps and techniques followed to use digital technology safely. It is also known as cyber security or IT security.
Basic ideas:
- Security Objectives: Confidentiality: Information should only be viewed by authorized users. Integrity: Information must be secure without duplication or alteration. Availability: Important resources should be available when needed.
- Threats: Hacking Malware Phishing Dose (Denial of Service) attacks Data theft
- Vulnerabilities: Weak passwords Software not updated Unsecured network connection
Network Security Techniques:
- Firewalls: Checks incoming and outgoing data. Prevents dangerous connections.
- Encryption: Protects information from being read until unencrypted.
- IP Security (IPSec): Provides lifetime security for data connections.
- MT Point Protection: Integrated technology for security of various devices.
Security Methods:
- Password should be strong: Link: Add stair, numbers, and special symbols.
- Using Security Software: Anti-virus and malware protection.
- Software Updates: Update technical services on time.
- Network Certifications: Using a VPN or SSL/TLS protocol.
General Tips:
Do not open any suspicious email or link.
Use a VPN when using public Wi-Fi.
Back up your information.
Keep work and personal passwords separate.
By following these, the computer and network can be used safely.
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