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  W5™ - Security Access Management System

"Who can do What to Whom, Where and When" is the essence of Quadra's W5™ Security Access Management System.  W5™ offers a comprehensive yet very versatile customization to any system built using Expresso™, DataByLocation™ and W5™. Our enterprise Single Sign-On (SSO) system, gives complete control to operations (not programmers), allowing users with different roles, one point of logging into the system via username/password defining accessibility restrictions. The user role dictates who has permissions to access what functions, controlling which data sets belonging to which users in what locations.

Access types are defined as Create, Read, Update and Delete (CRUD) permissions.  W5™ security covers five core Access Control (AC) areas as follows:

1. Who
   The 1st W in W5™ is the Who needs access. The Who is defined as the typical user of a system. System user access is defined using either Groups or Roles or both.
     - a Group is made up of one or more system users.
     - a Role consists of a list of access control definitions. The combined list defines the functional role.

2. What
   The 2nd W in W5™ is the What is being accessed. The What is divided into data and actions.
    - Data is the essence of every system. W5™ data access control is made possible due to the Expresso™ development technology and its abstract data types.
    - Actions are developed complex functions that manipulate data. Data manipulation requires one or more of the CRUD permissions.

3. Whom
   The 3rd W is the Whom. The Whom is defined as the direct owner of the data being accessed. As in Who, the Whom is also classified by one individual or Groups, Roles or both.

4. Where
   The 4th W defines the Geographical Where. This is made only available in conjunction with the use of DataByLocation™ subsystem. Which gives developers access control by location levels, an exact location or both.

5. When
   The final W in W5™ is the When. The When permissions controls the date, time and/or duration for which other permissions are given.

W5™ offers a generic yet so versatile framework for controlling all aspects of Security Access Control and Management.

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