Whittington Hospital NHS Trust admitted the discs were lost when they were put in the post by mistake in late July.Source: BBCThe discs contain names, addresses, dates of birth and National Insurance numbers, of 17,990 staff members.
In a statement, the hospital said the four discs were password protected and did not contain bank account details...
The trust ...advised that the incident should be treated as a loss with minimal risk to staff.
UPDATE: now see Hospital wastes £25,000 looking for missing data that was never lost from the Telegraph of 26 September 2008!