Identity management is a security issue which is becoming increasingly challenging as the perimeter of the network crumbles. This is well illustrated by the DTI Information Security Breaches Survey of 2006, which shows that one in five larger businesses had a security breach associated with weaknesses in their identity management, with the number of incidents being less for smaller companies. The survey found that incidents were from staff gaining unauthorised access to data, staff obtaining and misusing confidential information, financial theft or fraud, and impersonation or phishing attacks. Couple this with the rapid rise of wireless and the growth in access to applications, then you have significantly increased the opportunities for unauthorised access into your network.