






 |
 |
 |
 |
Controls
Controls are used to Prevent, Detect,
and Correct errors and fraud.
Classification of controls
Preventive, detective, and corrective
controls.
Discretionary and non-discretionary
controls.
Voluntary and mandated controls.
Manual and automated controls.
Application and general IS controls
|
 |
 |
|
 |
 |
Internal Control System
|
Information Systems Consulting
Process ReEngineering | Risk Management | Internal Control System
Internal Control System
System of Internal Controls
An organization’s system of internal control includes
the means established to provide reasonable assurance that the overall
objectives and goals of the organization are achieved in an efficient,
effective, and economical manner. The system of internal control is
defined as a set of processes, functions, activities, subsystems, and
people who are grouped together or consciously segregated to ensure the
effective achievement of objectives and goals.
Key concepts:
 |
Reasonable assurance is provided when cost-effective controls are
established to reduce the risk that overall objectives and goals
will not be met to an acceptable level. The term “reasonable
assurance” does not mean that assurance is absolute; it implies that
a reasoned judgment has been made by balancing the cost of potential
loss or risk against the cost of actions that must be taken to
control the risk. For example, the theft of large pieces of computer
equipment results in an obvious loss that would be immediately
detected, and corrective action would be quickly taken. Careful
evaluation of the business risk and the potential loss must be made
in relation to the cost of the recommended control. |
 |
Objectives are defined as a statement of the desired accomplishments
of the organization. They must be established before goals can be
set or systems can be designed, implemented, and maintained to
achieve those goals. |
 |
Goals
are specific targets that should be identifiable, measurable,
attainable, and consistent with objectives. Goals include operating
targets, performance objectives, and expected results. The risks of
not achieving such goals should be clearly recognized. |
When
functions, subsystems, activities, and people successfully work together
to provide reasonable assurance that the organization’s objectives and
goals are efficiently and economically achieved, the design and
implementation of the system of internal control have been effective.
The system of internal control can be thought of as a
filtering device that prevents actions or events from leading to
organizational problems. Events that are in accordance with
organizational objectives and goals are processed through the system of
internal control to provide reasonable assurance that order is
maintained
Audit and the System of Internal Controls:
Auditors conduct "test of controls" in order to
determine the reliability of the system of internal controls used in the
organization. This determination forms the basis upon which the audit
work is conducted.
|