What is the 3 line of defense
David Craig
Updated on April 18, 2026
In the Three Lines of Defense model, management control is the first line of defense in risk management, the various risk control and compliance over- sight functions established by management are the second line of defense, and independent assurance is the third.
Why are there 3 lines of defense?
The three lines of defense represent an approach to providing structure around risk management and internal controls within an organization by defining roles and responsibilities in different areas and the relationship between those different areas.
What is the third line of defense in risk management?
They also develop and implement risk management processes, policies and procedures. The third line of defense are the auditors, both internal and external, who independently assess and report on the work of the other two lines.
What is the 3 lines model?
The Three Lines Model is a fresh look at the familiar Three Lines of Defense, clarifying and strengthening the underpinning principles, broadening the scope, and explaining how key organizational roles work together to facilitate strong governance and risk management.What are the 1st 2nd and 3rd lines of defense?
In the Three Lines of Defense model, management control is the first line of defense in risk management, the various risk control and compliance over- sight functions established by management are the second line of defense, and independent assurance is the third.
What is the 4th line of defense?
Fourth line: assurance from external independent bodies such as the external auditors and other external bodies. External bodies may not have the existing familiarity with the organisation that an internal audit function has, but they can bring a new and valuable perspective.
Which is the 2nd line of Defence?
The second line of defence is a group of cells, tissues and organs that work together to protect the body. This is the immune system.
What are the lines of Defence?
The immune system’s three lines of defense include physical and chemical barriers, non-specific innate responses, and specific adaptive responses.What is a line of defense?
Definition of line of defense : a way of defending oneself the body’s first line of defense against illness.
What are the 3 lines of defense in audit?- First Line of Defense – Management.
- Second Line of Defense – Risk Management and Compliance.
- Third Line of Defense – Internal Audit.
- External Auditors.
What are the first lines of defense?
The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, ‘friendly’ bacteria and white blood cells called neutrophils.
What are the three lines of defense in internal audit?
The original Three Lines of Defense model consisted of the first line (risk owners/managers), the second line (risk control and compliance), and the third line (risk assurance).
What is first and second line of defense?
The first line of defense against infection are the surface barriers that prevent the entry of pathogens into the body. The second line of defense are the non-specific phagocytes and other internal mechanisms that comprise innate immunity.
What are the 5 lines of defense?
- The tone of the organization.
- Business unit management and process owners.
- Independent risk management and compliance functions.
- Internal assurance providers.
- Board risk oversight and executive management.
What are three 3 external physical barriers that help the body to defend against infection?
The skin, mucous membranes, and endothelia throughout the body serve as physical barriers that prevent microbes from reaching potential sites of infection. Tight cell junctions in these tissues prevent microbes from passing through.
Who invented the three lines of defense?
The Three Lines of Defense Model was developed in 2008-10 by the Federation of European Risk Management Associations (FERMA) and the European Confederation of Institutes of Internal Auditing (ECIIA) as a guidance for the 8th EU Directive Art.
What line of defense is the board of directors?
Board risk oversight and executive management represent the final line of defense, with the Board of Directors and executive management playing separate and distinct roles. Therefore, one could argue that this final line of defense is actually two separate lines.
Which of the following is considered the last line defense in regard to a governance risk managements and compliance GRC program?
As the third (and sometimes considered the last) line of defense, internal audit should avoid duplicating the efforts of the control and risk oversight functions unless necessary. In sectors such as financial services, regulations may require separate risk management and compliance functions.
How does a pure risk differ from a speculative risk Mcq?
Speculative risk refers to price uncertainty and the potential for losses in investments. Assuming speculative risk is usually a choice and not the result of uncontrollable circumstances. Pure risk, in contrast, is the potential for losses where there is no viable opportunity for any gain.
