8 steps to better data security

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8 steps to better data security

Hamish Macarthur

With the growth of mobile computing and the reach of customers into online systems, the firewall boundary is becoming blurred. Virtualisation will deliver ever increasing benefits, but the way information is being processed and managed must be clearly understood.

  • Users need to recognise that they must develop a total set of information security policies and practices. Following ITIL, COBIT or ISO 17799 guidelines can assist in the steps to be taken - but these have to be done and implemented.

  • The identity management, antivirus and firewall considerations must come further into the network, not just left on the periphery.

  • Applications accessing data resources need to follow accepted routes. If the requests are coming from unknown routes within the firewall, this does not always mean that the requesting applications are all approved?

  • Logging activities and requests to produce a comprehensive audit trail becomes more important for all activities across the network. This relates to system changes, software updates and data movement as well as to application processes.

  • Data protection practices are designed to keep systems operational. The trend to using disk based backups means that there are many images of data on disk drives as well as on tapes.

  • Encrypting all data images needs to be carefully considered as well as encrypting data on laptops and other client devices.

  • Understanding how the system resources
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