A bank or a financial organisation these days relies heavily on e-commerce for its transaction. As a part of system security, it introduces organisation's security awareness manual. This step of the bank/ organisation can be classified under which one of the following categories of measures for a business?

• A.  Detective                     
• B.  Compliance
• C.  Corrective                    
• D.  Preventive vigilance
• E.  None of these