5. challenges arising during 2011/12 . The Department still has various human resource related challenges, including high vacancies at SMS level. Also, the target for the overall vacancy rate (7%) was not met. Overall vacancies at 31 March 2012 were at 10.52%. . The inadequate use of IT business solutions remains a source of concern for the Department. Limited training was identified as a major contributor to the poor use of IT systems. . Vetting of employees has been slow. Only 50% of the 154 senior managers had been vetted against the target of 65%. . Budgetary constraints created challenges for continuous improvements of safety and security initiatives.