Security for Transaction/Information Processing Support Systems
Rujukan: Wilkinson Ch 9
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A firm’s physical assets, data assets, and human resources are measured by security from a variety of risk exposures. In manual systems, they protect data from unauthorized access, loss, and alteration, they monitor attempted access and changes, they enable the reconstruction of lost data. In advance, they restrict access to assets, protect the assets from natural disasters, and protect the assets from breakdowns and business interuptions.
There are encrypted transmissions, reliable communications channels and devices, protected communication devices, continuous or periodic backups, varied system software checks, passwords, documentation, training, and network audit systems software are suited among the controls and security measure.
Recovering from a disaster quickly is crucial to a firm’s survival as a going concern. Therefore, a disaster contingency and recovery plan must be well prepared to survive a severe crisis. It can make a firm can minimize damage and restore its computer operations and business operations.