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Security Policies

Threats to security and integrity. Threats to information systems includeHuman errorkeying errors, program errors, operator errors, Y2KComputer crimehacking, viruses, logic bombsNatural disastersfire, earthquake, hurricane, floodWar and terrorist activitiesbombs, fireHardware failurepower failure, network failure, disk head crash.

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Security Policies

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    1. Security Policies

    2. Threats to security and integrity Threats to information systems include Human error keying errors, program errors, operator errors, Y2K Computer crime hacking, viruses, logic bombs Natural disasters fire, earthquake, hurricane, flood War and terrorist activities bombs, fire Hardware failure power failure, network failure, disk head crash

    3. Risk analysis What is the nature of the data stored in the system? How is the data used? Who has access to the system? Is all software Year 2000 compliant? How much money does the company stand to lose if the data is lost, corrupted or stolen?

    4. Layers of control

    5. Layers of control Building and equipment security locks and window grills, guards, alarms and automatic fire extinguishers, Id cards, visitor’s pass Authorisation software user ids and passwords Communications security Databases vulnerable to outside hackers. Combat illegal access with callback, handshaking, encryption Operational security Audit controls track what happens on a network Audit trail record that traces a transaction Personnel safeguards users and computer personnel within an organisation are more likely to breach security than outsiders

    6. Corporate I.T. security policy Awareness and education Training Administrative controls screening, separation of duties Operations controls backups, access controls Physical protection of data controlled access, fire/flood alarms, UPS Access controls to the system and information access levels, access rights, encryption Disaster recovery plan

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