Study on digital forensics model based on data fusion

In order to standardize the procedure of digital forensics, on the basis of the deep research on existing computer forensic models, a digital forensic model based on data fusion is proposed, which carries out time constraint and legal restriction in linear course control and forensic supervision to the whole forensic process. The establishment of political-legal and judicial certificate authority departments will bring about the mutual trust and recognition not only among the related departments but also between them and the court during the entire evidentiary process. Finally, the model system submits the evidence chain and the chain of forensic supervision to the court, which improves the legal effect of electronic evidence.