Computer Crime and
Security Measures
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Computer Crime and Security Measures: Understanding the Threats and Protections, Slides of Computer Applications
An overview of computer crime, its impact on businesses and individuals, and the measures to defend against it. Topics include hacking, fraud and embezzlement, defending against dishonest employees, defending against fraud, the size of the problem, sabotage and information theft, computer criminals, mechanisms of protection, improving security, internet protection, and crime laws.
Typology: Slides
2012/2013
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Computer Crime andSecurity Measures
Computer Crime
Computers make activities easier including illegal activities New ways to commit old crimes Crimes against businesses - insiders andoutsiders hackers, competitors, criminalgangs
Fraud and Embezzlement
Embezzlement - fraudulentappropriation of property by aperson to whom it has beenentrusted Requires special knowledge special programming skill poor security
Fraud and Embezzlement
Aided by anonymity complexities of moderntransactions increase theopportunities
Defending Against Fraud
Immediate checks on legitimatecards Programs to detect unusualspending Holograms and photos on cards Magnetic or digital finger printing Physical hardware deterrents
Why is the Problem soBig?
Most customers do notwant to verify ID Most merchants don’tcheck Security vs convenience
Computer Criminals
Hacker Phracker Cracker Phreak
Nonmalicious Hacking
No harm is done Service - exposes securityweaknesses Help create need for toughersecurity Information want to be free Some companies are rippingus off
Mechanisms of Protection
Password protection
How Serious is theProblem?
CERT - ComputerEmergency Response Team Federal governmentcreated Responds to securityproblems on Internet
Improving Security
Awareness of extent ofproblem Education of users Acceptance ofresponsibility
Internet Protection
Firewall
Law Enforcement
Special units to deal withcrime Penalties are appropriatewith crime
Crime Laws
Computer technologychallenged existing laws andled to new ones Larceny Use of computer time New laws Access and use of computerwithout authorization is illegal