The protection of sensitive data has become a central issue for companies and organizations. Data, be it is personal, financial, medical or strategic, is essential to their proper operation and must be protected. Otherwise, it may be disclosed and harm the organization that owns the information. This protection requires, in particular, a precise identity and authorization management and a simple and secure authenticationPrimary or secondary authentication Authentication allows a user to guarantee his or her identity before accessing a resource or service. Primary authentication will give user access to the workstation (Windows… More to applications for users.