National Australia Bank has completed a trial of a bring-your-own-device program and plans to make BYOD more widely available to its staff.NAB's general manager of infrastructure, Kari Schabel, told CIO Australia that employees in the trial were given mobile access to workplace applications on a device of their choice, as well as access to documents through a secure cloud-based document repository.Schabel said the results of the trial were encouraging. "NAB's BYOD program is one component of an innovative workplace technology strategy designed to improve mobility, productivity and collaboration amongst team members," she said.Earlier this year, Banking Day reported on a survey by the data protection company Acronis, which found that the financial sector was a laggard in the development of policies governing employees' use of their own computing and telephone equipment in the workplace.Acronis found that only 26 per cent of global financial sector organisations have a BYOD policy in place. A further 23 per cent don't have one now but do plan to develop one. Forty nine per cent don't have one and don't plan to have one.By comparison, 65 per cent of health sector enterprises; 43 per cent of public sector organisations; and 55 per cent of technology businesses already have BYOD policies in place.Without a well articulated and understood BYOD policy, financial institutions are leaving themselves and their data vulnerable. A separate Ponemon Institute survey, conducted earlier this year, saw 69 per cent of respondents identify mobile devices - which will inevitably form the bulk of any BYOD population - as the most likely sources of enterprise data leaks.Schabel said: "The next stage of NAB's workplace strategy will be to introduce greater choice for team members, with support for iOS, Android and Windows 8 smartphone devices."