 One way to identify weaknesses in access controls is to bring in a hacker to try and crack your system by either gaining entry to the building and using an internal terminal or hacking in from the outside through remote access.When you have a function that deals with money either incoming or outgoing it is very important to make sure that duties are segregated to minimize and hopefully prevent fraud.One of the key ways to ensure proper segregation of duties (SoD) from a systems perspective is to review individuals’ access authorizations.