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Download A Practical Guide to Managing Information Security by Steve Purser PDF

By Steve Purser

This groundbreaking publication is helping you grasp the administration of knowledge safety, focusing on the proactive acceptance and backbone of the sensible problems with constructing and imposing IT protection for the firm. Drawing upon the authors' wealth of important event in high-risk advertisement environments, the paintings makes a speciality of the necessity to align the knowledge safety technique as an entire with the necessities of the trendy company, which comprises empowering enterprise managers to control details security-related danger. all through, the publication areas emphasis at the use of easy, pragmatic threat administration as a device for decision-making. the 1st booklet to hide the strategic problems with IT defense, it permits you to: comprehend the variation among extra theoretical remedies of knowledge defense and operational truth; find out how info safeguard hazard should be measured and hence controlled; outline and execute a knowledge protection procedure layout and enforce a safety structure; and make sure that constrained assets are used optimally.

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Extra resources for A Practical Guide to Managing Information Security

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It is not possible to give a list of such sites in a book such as this, but the Web site of the SysAdmin, Audit, Network, Security (SANS) institute [19] is cited as an example. 3 Risk analysis and risk management Most people have an intuitive idea of risk, but relatively few are capable of providing a working definition. We will take a practical view of risk and avoid a more mathematical approach, as this will allow us to develop a model of risk analysis that can easily be applied to everyday situations.

This may involve explaining why the decision to use external resources was taken and planning for a transfer of knowledge from external to internal staff. Indeed, such a transfer is often necessary to enable the unit to support systems after their implementation. 5 Policy and standards Many experts view the information-security policy as the definitive source of guidance for taking decisions related to information security, and they build the entire information-security approach on the requirements of this document.

These are therefore low-level documents that are expected to be quite volatile in the sense that they will require regular updates in order to keep pace with technological evolution. It does not matter that standards require regular updating because they merely interpret policy and therefore should not change the risk stance of the enterprise significantly. Apart from the level of detail of the documents, another essential difference between policy and standards is the scope of application. Given the importance of the subject, most organizations write their own security policy to reflect their own culture and approach to risk.

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