During a security audit, a team discovers older IoT gateways still run firmware that includes known flaws. Which approach addresses the flaw to reduce unauthorized access?
Mandate additional privilege reviews on the operating system for each new session.
Obtain updated code from the vendor and install through the device’s control interface.
Monitor and assess all traffic flows to detect inconsistencies in the environment.
Implement limits on login rules so connections can be restricted based on role.
Updating device firmware ensures that known vulnerabilities are patched at the source, eliminating exploitable flaws in the system’s logic. While traffic monitoring and access restrictions are important supplemental controls, they cannot fully address the inherent risks posed by outdated or insecure firmware versions.
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What is firmware, and why is it important to update it?
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Why is updating firmware preferred over monitoring traffic in this scenario?
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How can IoT gateways typically be updated with new firmware?