Friday, 1 June 2012

Data Deletion and DFDs

The Information Commissioner's Office (ICO) in the UK just handed out a £325,000 fine to  Brighton and Sussex University Hospitals NHS Trust after decommissioned hard drives were sold on eBay. Basically drives containing very sensitive information which were meant to have been destroyed, somehow found their way onto eBay. The NHS trust is appealing the decision.

When creating your Data Flow Diagrams (DFDs) you should also think about secure deletion of data from devices when they have reached the end of their life. In addition to asking how data is stored on devices, you should also ask what happens to these devices (hard drives etc.) when they have reached the end of their life.

Make sure to have proper procedures in place to prevent this kind of thing happening.

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