Unencrypted HDD Missing at UK Ministry of Justice

To read this Data Protection Act 1998 notice , click on:
Monetary Penalty Notice  from UK  Ministry of Justice
On 24 May 2013, a portable HDD stored in a prison’s Security Department and used to backup the prisoner intelligence database, was discovered to be missing. The HDD had last been used on 18 May 2013 for the weekly backup but had not been locked up afterwards in the fireproof safe, as required. The HDD had not been password protected and was unencrypted.