How to ensure data cannot be recovered from electronic storage media. In this guidance

1. What is electronic storage media?
2. What is sanitisation?
3. Before you sanitise
4. Preparing ESM for re-use
5. Disposing of ESM

This guidance is for organisations who need to ensure that data held on electronic storage media can’t be read by unauthorised parties after it has left organisational control. It will help organisations to protect data from being read by standard users with access to commercially available data-recovery tools, or by using forensic services. This is based on the protections proportionate for OFFICIAL data, as described in the Government Security Classifications Policy’s threat model.