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Computer Crime and Security Measures

Computer Crime and Security Measures. Week 5 cont. Computer Crime. Computers make activities easier including illegal activities New ways to commit old crimes Crimes against businesses - insiders and outsiders hackers, competitors, criminal gangs. Crime. Computers make the crimes

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Computer Crime and Security Measures

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  1. Computer Crime and Security Measures Week 5 cont.

  2. Computer Crime • Computers make activities easier • including illegal activities • New ways to commit old crimes • Crimes against • businesses - insiders and outsiders • hackers, competitors, criminal gangs

  3. Crime • Computers make the crimes • easier to commit • more devastating • harder to detect • doable from long distances

  4. New Terms • Virus • Worm • Trojan Horse • Trap Door

  5. Fraud and Embezzlement • Embezzlement - fraudulent appropriation of property by a person to whom it has been entrusted • Requires • special knowledge • special programming skill • poor security

  6. Fraud and Embezzlement • Aided by • anonymity • complexities of modern transactions increase the opportunities

  7. Defending Against Dishonest Employees • Rotate responsibilities of employees with access to sensitive systems • Unique ID and password • Limit access to system • Audit trails • Screening and background checks of employees • Good security policies

  8. Defending Against Fraud • Immediate checks on legitimate cards • Programs to detect unusual spending • Holograms and photos on cards • Magnetic or digital finger printing • Physical hardware deterrents

  9. Why is the Problem so Big? • Most customers do not want to verify ID • Most merchants don’t check • Security vs convenience

  10. Sabotage and Information Theft • Unhappy employees • Attacks by competitors • Who else?

  11. Nonmalicious Hacking • No harm is done • Service - exposes security weaknesses • Help create need for tougher security • Information wants to be free • Some companies are ripping us off

  12. Harmless? • Time and effort are involved in tracking down the intruder and shut off means of access • Verifications of no damage • Uncertainty that system is preserved • Trespassing is illegal

  13. Mechanisms of Protection • Password protection

  14. Internet • Medium for researchers • open access • ease of use • ease of sharing • Security depended on trust • Attitudes about security have not caught up with the risk

  15. Improving Security • Awareness of extent of problem • Education of users • Acceptance of responsibility

  16. Internet Protection • Firewall

  17. Crime Laws • Computer technology challenged existing laws and led to new ones • Larceny • Use of computer time • New laws • Access and use of computer without authorization is illegal

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