Virus Protection

The Basics

  1. What is a virus
    1. Local threats
    2. Network threats
    3. Internet threats
  2. What are the dangers of a virus infection?
    1. Disruption of computer and network operations
    2. Data stealing including passwords
    3. Netbots
    4. Website cloning and redirection
    5. Malware distribution via your email or website
    6. Ransomware
    7. Hidden remote control from external source
  3. Common virus types
    1. Viruses
    2. Trojans
    3. Worms
    4. Rootkits
    5. Other malware
  4. How does virus protection work?
    1. Anti-virus and anti-spyware software signature checking
    2. Vulnerability updates
    3. Checksumming and hashing of files
    4. Heuristic techniques
    5. Cloud scanning
    6. Firewalls
  5. How can we protect our computers against virus attack?
    1. Installing the latest updates
    2. Regular manual scans using antivirus software
    3. Checking hash codes of downloaded files
    4. Manual scanning of files, email attachments etc.
    5. Always check the security lock on sensitive websites
    6. Use a rootkit scan regularly
    7.  Actively monitor unusual behavior by users on large networks
    8. Change passwords regularly
    9. Inhibit user access permissions to just those required to do the job
    10. Use multi-factor user validation including biometrics
    11. For highly sensitive operations, use segregation of duties techniques

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