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Internal control, as defined by accounting and auditing, is a process for assuring of an organization's objectives in operational effectiveness and efficiency, reliable financial reporting, and compliance with laws, regulations and policies. A broad concept, internal control involves everything that controls risks to an organization.
Information systems play a key role in internal control systems, as they produce reports, including operational, financial and compliance-related information, which make the operation and control of the business possible. In a broader sense, effective communication must ensure information flows down, across and up the organization.
Information technology controls (or IT controls) are specific activities performed by persons or systems to ensure that computer systems operate in a way that minimises risk. They are a subset of an organisation's internal control. IT control objectives typically relate to assuring the confidentiality, integrity, and availability of data and ...
These control criteria are to be used by the practitioner/examiner (Certified Public Accountant, CPA) in attestation or consulting engagements to evaluate and report on controls of information systems offered as a service. The engagements can be done on an entity wide, subsidiary, division, operating unit, product line or functional area basis.
A number of software packages are available to support the control self-assessment process. These are typically modified versions of software developed originally for internal use by audit and accountancy firms such as Deloitte or by niche vendors specialising in business or financial management tools.
Management control as an interdisciplinary subject. A management control system (MCS) is a system which gathers and uses information to evaluate the performance of different organizational resources like human, physical, financial and also the organization as a whole in light of the organizational strategies pursued.
The furnace is deactivated as the temperature reaches the preselected level. The significant difference between this type of system and an open-loop system is that the control device is an element of the system it serves and measures the performance of the system. In other words, all four control elements are integral to the specific system.
A control system manages, commands, directs, or regulates the behavior of other devices or systems using control loops. It can range from a single home heating controller using a thermostat controlling a domestic boiler to large industrial control systems which are used for controlling processes or machines.