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CHAPTER 4

CHAPTER 4. Information Security. Factors Increasing the Threats to Information Security. Today’s interconnected, interdependent, wirelessly-networked business environment Smaller, faster, cheaper computers and storage devices Decreasing skills necessary to be a computer hacker

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CHAPTER 4

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  1. CHAPTER 4 Information Security

  2. Factors Increasing the Threats to Information Security • Today’s interconnected, interdependent, wirelessly-networked business environment • Smaller, faster, cheaper computers and storage devices • Decreasing skills necessary to be a computer hacker • Increased employee use of unmanaged devices • Lack of management support

  3. Unintentional Threats • Unintentional acts • Natural disasters • Technical failures / environmental hazards • Human error • Social Engineering (tailgating, shoulder surfing, etc.) • Management failures • Ways to prevent?

  4. Deliberate Threats • Espionage / Trespassing • Extortion • Sabotage / vandalism • Theft (equipment, information, or identity) • Software attacks • Many others

  5. Risk Management • Risk • Risk management • Risk analysis • Risk mitigation

  6. Risk Mitigation Strategies • Risk acceptance • Risk limitation • Risk transference

  7. Information Security Controls • Physical Controls • Access Controls • Communications Controls

  8. Access Controls • Authentication • Something the user is • Something the user has • Something the user does • Something the user knows • Authorization

  9. Communications Controls • Firewalls • Antivirus software • Whitelisting and Blacklisting software • Encryption • Digital Certificates • VPN • Employee Monitoring Systems

  10. Other things organizations can do... • Business Continuity Planning • Backup • Recovery • Information Security Auditing

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