Criteria for Determining the Cost of a Breach
A checklist of considerations for calculating the true cost of an information security breach
By Simone Kaplan
December 09, 2002 — CSO — 1. System downtime. What systems were out of commission and for how long?
2. People downtime. Who was unable to work, and how long were they unproductive?
3. Hardware and software. How much did it cost to replace servers, hard drives, software programs and so on?
4. Consulting fees. If you needed extra firepower while fighting an attack or for a postmortem analysis, how much did you spend on fees and other expenses?
5. Money. How much were the salaries for people affected by the breach? Consider overtime pay or trades that couldn't be made during downtime.
6. Cost of information. What was the value of information
7. Cost of lost business. Did clients take their business elsewhere? Were there opportunity costs
8. Incidentals. How much did you spend on food, lodging and transportation for the people working to fight the breach? Were there additional facilities costs, such as power usage and electricity?
9. Legal costs. What were potential and actual costs of litigating and investigating the incident?
10. Cost to your company's reputation. Did you spend money on a PR campaign to control the damage?
Read more about data protection in CSOonline's Data Protection section.
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