The Authors of qualified professional experience and education, examine the different regulatory frameworks transversely and technicians: a practical guide and slender to face the complex task of computer forensics in its essential aspects. This activity is now inevitable and important both in criminal investigations and administrative ones. Recent judicial Chronicles induce to believe that certain notions and a minimum of skill, should be investigating every heritage, apart from the membership administration or graduate level training. However, this need is felt to tax police investigations, if one considers the high level of de-materialisation achieved in the Scriptures and in the documentation of transactions for tax purposes. This is a publication that has long felt the need. The publication explains concretely “what to do”, making the approach to the topic accessible even to those who do not possess a wealth of technical knowledge too sophisticated. They are also considered the most important aspects of the data and management of intangible assets acquired through computer forensic activities and their ostensibilità in the various proceedings. This covers the varied world of the police forces, without exception, even those which, to date, have not yet susceptible to the problem.