A company is reviewing their security controls for critical infrastructure and needs to decide on the deployment of a mechanism that should ensure maximum uptime. However, during a network outage or a device failure, they want the mechanism to prioritize network availability over strict security to maintain business operations. Which of the following configurations would BEST align with the company's requirements?
Implement a fail-open mechanism on security devices.
Deploy an additional layer of intrusion prevention systems.
Configure a high availability cluster for all critical systems.
A fail-open configuration is designed to allow traffic to pass through when the security device experiences a failure, such as a malfunction or a loss of power, thus ensuring that network availability is prioritized. While this might introduce a security risk by allowing potentially unsecured traffic during the failure event, it supports the company's requirement for maximum uptime. The other provided responses either incorrectly relate to device security postures not focused on availability (such as fail-close), or do not relate to failure modes directly affecting traffic (such as a high availability cluster, which is designed for redundancy but not specifically addressing the company's need for availability during a security device failure).
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What is a fail-open mechanism?
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What is the difference between fail-open and fail-close mechanisms?