Security controls in a data center are being reviewed to ensure data is properly protected and that human life considerations are included. Which of the following best describes how the controls should be set up?
I think the key to the answer lies in "Logical Security Controls"
Logical security controls (such as firewalls, ACLs, authentication, etc.) must fail-safe (close) upon failure to ensure that the system remains secure and unauthorized access is blocked. This helps proactively protect critical data and resources, reducing exposure to risk.
If there were no specification of the control applied, this would not be a good option.
Safety controls failing open is a critical design principle that ensures human life is prioritized in the event of a failure. This principle applies to situations where failing open provides an immediate safety benefit, such as allowing exit doors to unlock automatically during a fire.
This is generally not a good idea, as it could lead to unsafe conditions. For example, a fire alarm system that fails open might not alert people to a real fire.
C. Safety controls should fail open: Safety controls, such as fire suppression systems or emergency exits, should indeed fail open. This means that in the event of a failure or malfunction, they should default to a state that ensures safety, such as allowing people to exit a building or mitigating hazards.
Fail Open:
* Activates specified controls; in this case, safety measures such as sprinklers, or alarm systems to ensure the safety of staff members, & system devices.
Fail Close:
* Locks controls such as access to the perimeter, & devices to protect from exfiltration.
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