The next security principal in our list is the Principle of Separation of Duties.

FORBES: Teach Your Boss To Speak Security: "Separation Of Duties"

Previously we discussed the Principle of Least Privilege and the Principle of Separation of Duties.

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How can we maintain a separation of duties, so that security policy definition is separate from traditional network operations?

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When separation of duties is first introduced into organizations there is often some significant discomfort on the part of trusted employees.

FORBES: Teach Your Boss To Speak Security: "Separation Of Duties"

While the separation of duties principle applies here, you may be thinking that there would be other principles that can apply as well.

FORBES: Teach Your Boss To Speak Security: "Separation Of Duties"

In a nutshell, Separation of Duties simply means that security requires that we split responsibilities for different facets of a task across multiple individuals.

FORBES: Teach Your Boss To Speak Security: "Separation Of Duties"

This violates separation of duties since the purpose of the firewall is to keep people out while the purpose of the VPN is to let people in.

FORBES: Teach Your Boss to Speak Security: Economy of Mechanism

While separation of duties does apply, the principle of economy of mechanism indicates that creating multiple virtual servers on a single host with software like VMware is creating a complex system.

FORBES: Teach Your Boss to Speak Security: Economy of Mechanism

If we were to virtualize servers, though, the principle of separation of duties would dictate that all of the systems on a given virtual server must be of the same security sensitivity.

FORBES: Teach Your Boss To Speak Security: "Separation Of Duties"

Separation of duties is all about validation.

FORBES: Teach Your Boss To Speak Security: "Separation Of Duties"

Whether executive branch employees upheld the law regarding the separation of government duties and political work.

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Moreover, take advantage of U.S. laws requiring full financial disclosure and the performance of fiduciary duties between spouses, requiring fair and honest dealing during divorce or separation.

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