Providing Accurate Risk Assessments
As professionals in security we are constantly researching new technologies to keep our skills sharp. The Internet Storm Center was formed to assist with keeping our peers aware of the fast paced changes in vulnerabilities, patches, hacks, worms, Trojans and threats in general.
- State the threat in language that is easily understood. It is your job to decrypt the threat for your management team.
- Portray clearly and accurately what the threat could do and how it would possibly perform in your environment.
- Identify the number of assets which may be affected by the threat. What is percentage of vulnerable devices in relation to the total devices? (Servers, workstations, operating systems, Internet exposure)
- Identify the corrective measures which are available to be taken.
- Calculate the SLE (Single Loss Expectancy). What is the dollar value of the cost that equals the total cost of the risk?
- State how the remediation would lower the exposure to the organization and give a cost for those actions.
- Recalculate the SLE with projected remediation included.
- Provide status of the protection mechanisms already in place (anti-virus definitions, IPS signature detections, patching statistics).
- Then allow management to make an educated decision based on risk to the enterprise, not just the security event itself.
By utilizing this concrete methodology, we can lessen the influence of media hype and provide a professional cost based opinion to those best equipped to make enterprise decisions.
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