ŒCONOMICA 141 Information and Knowledge; Communication Trust Hierarchy Trees Applied in Team Management and Data Access Laura Danilescu 1 , Marcel Danilescu 2 Abstract: Controlling access to data and information within organizations is an important concern today and also our aim. This paper is based on the concept of trust, which allows access control and control of actions that can be applied to data and information in documents held in computer systems. Methods we have used are: defining trust hierarchies applied to team members, data and actions. Results we have obtained are trust policies based on trust hierarchies. Keywords: trust; document; trust hierarchy; hierarchy tree; actions hierarchy; trusting authorization policy JEL Classification: M13; L86; L96 1. Trust Hierarchies An organization consists of a number of members involved in achieving a particular purpose. In general, any organizational structure is a hierarchical type structure, which is a leader and members to execute various activities under his directions. Organization does or does not trust the people involved in information-decision process within it. Information-decision process is manifested by the creation of documents containing data and information that are processed by individual (called subjects) belonging to the organization as result of different kind activities. Trust is manifested by allowing access to various data and information, according to the position subject in a team. Subjects have many tasks to do according to the position in the team, and the team in the enterprise. Teams are various working groups, formal and informal. Formal groups are those that form the organization (departments, services, offices, workshops, etc.) and informal groups or instant groups are created for a certain project and outgoing 1 Senior Lecturer, PhD in progress, Danubius University of Galati, Faculty of Economic Sciences, Romania, Address: 3 Galati Blvd, Galati, Romania, tel: +40372 361 102, fax: +40372 361 290, Corresponding author: ldanilescu@univ-danubius.ro. 2 Manager, PhD in progres, ASWIC Ltd., e-mail: marcel.danilescu@aswic.ro. AUDŒ, Vol 7, no 6, pp. 141-144