Hence, when the discloser is selective, keeping the personal information hidden or secrete, sanitization takes place. It refers to the process in which, from the information to be broadcasted, the sensitive information is removed. This information or knowledge is called sensitive information. That is the information which if disclosed will result in loss of security. When the user wants to distribute his data (information) to a broader audience, there exists a risk that if the information contains something that should not be distributed. To understand what data anonymization is, the reader must be familiar with the following terms. Data anonymization is its fundamental work. It is a Romanian and German-based VPN service developed by CyberGhost S.A. To keep your data away from the reach of hackers, this service is offered. Introduction: It is basically a security service.