With the soon to be introduced two-pot retirement system, pension funds are at potential risk of criminals intercepting withdrawals of high-value investments. While fraudsters won't be able to drain an entire pension, the savings in a pot is still a significant amount of money for most people - especially in the current difficult economy. To find out how pension funds can be kept safe we We spoke to Murray Collyer, Chief Operating Officer of a biometrics company  iiDENTIFI.