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In computer security, an access-control list (ACL) is a list of permissions [a] associated with a system resource (object or facility). An ACL specifies which users or system processes are granted access to resources, as well as what operations are allowed on given resources. [1] Each entry in a typical ACL specifies a subject and an operation.
Access control lists (ACLs) are used in traditional discretionary access-control (DAC) systems to affect low-level data-objects. RBAC differs from ACL in assigning permissions to operations which change the direct-relations between several entities (see: ACLg below). For example, an ACL could be used for granting or denying write access to a ...
ServiceNow, Inc. is an American software company based in Santa Clara, California, that supplies a cloud computing platform for the creation and management of automated business workflows. It is used predominantly for the automation of information technology process, for example, the reporting and resolution of issues impacting an organization ...
The term process automation is essentially synonymous with process control. Process controls (basic as well as advanced) are implemented within the process control system, which may mean a distributed control system (DCS), programmable logic controller (PLC), and/or a supervisory control computer. DCSs and PLCs are typically industrially ...
In some cases, menu options or functions may be made visible or hidden depending on a user's permission level; this kind of user interface is referred to as permission-driven. Two types of permissions are widely available: POSIX file system permissions and access-control lists (ACLs) which are capable of more specific control.
Security descriptors are data structures of security information for securable Windows objects, that is objects that can be identified by a unique name.Security descriptors can be associated with any named objects, including files, folders, shares, registry keys, processes, threads, named pipes, services, job objects and other resources.
The meta-data model of the control sub-process is based on a UML class diagram. Figure 2.1.2 shows the metamodel of the control sub-process. Figure 2.1.2: Meta-process model control sub-process The CONTROL rectangle with a white shadow is an open complex concept. This means that the Control rectangle consists of a collection of (sub) concepts.
Mandatory Integrity Control is defined using a new access control entry (ACE) type to represent the object's IL in its security descriptor.In Windows, Access Control Lists (ACLs) are used to grant access rights (read, write, and execute permissions) and privileges to users or groups.