A Study on the Improvement of Domestic Internal Audit Technique Using Digital Forensics

All the contents of daily work are being digitalized. In particular, digital information is created and stored in all the works of corporations and national institutions, public institutions. Also, Users are directly or indirectly supporting the creation of digital information. Among these digital informations, digital evidence is any probative information stored or transmitted in digital form that a party to a court case may use at trial. Digital forensics refers to a series of processes submitted to court after digital evidence is collected, analyzed and stored. While the digital forensics method is in the spotlight, the KCS(Korea Customs Service) has introduced the digital forensic investigation technique to track drug trafficking and tax evasion in the direct transaction method using the Internet. Also, local governments have established and operate a digital forensic center to prove network intrusions or illegal acts of employees.