A laptop containing the unencrypted personal data of 109,000 UK pension scheme members has been stolen from the Marlow offices of a payroll software company that works for some of the largest international schemes, including Dutch industry fund PGGM.

NorthgateArinso discovered the laptop containing data on the members of the Pensions Trust, a multi-employer occupational pension fund for over 4,000 charitable, voluntary and not-for-profit organisations, was missing from one of its UK offices on March 23 after a break in.