Antivirus and System Protection

📘 Computer Fundamentals 👁 44 views 📅 Nov 05, 2025
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Antivirus and System Protection

Antivirus software and security measures are used to detect, prevent, and remove viruses and threats from computers.


Antivirus Software

  • Definition: Programs designed to detect, quarantine, and remove malware.

  • Functions:

    • Scan files and programs for malicious code.

    • Provide real-time protection against threats.

    • Update virus definitions regularly.

    • Quarantine or delete infected files.

Popular Antivirus SoftwareFeatures
Norton AntivirusReal-time protection, firewall, malware removal.
KasperskyAdvanced malware detection, cloud protection.
AvastFree and premium versions, real-time scanning, browser protection.
BitdefenderAnti-malware, ransomware protection, VPN included.

System Protection Measures

  • Regular Updates: Keep operating systems and software updated to patch vulnerabilities.

  • Firewall: Monitors incoming and outgoing network traffic to block malicious activity.

  • Strong Passwords: Use complex, unique passwords for accounts and devices.

  • Backup Data: Regularly backup files to prevent data loss.

  • User Awareness: Avoid suspicious links, emails, and downloads.


Key Points

  • Viruses and malware can corrupt data, steal information, or disrupt system operations.

  • Antivirus software provides protection, detection, and removal of threats.

  • Combining antivirus with firewalls, updates, and safe practices ensures comprehensive system security.

  • Awareness and proactive measures are critical in maintaining cybersecurity.


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