Isaca Updated CISA Exam Questions and Answers by thiago

The use of open-source software components in IoT devices presents the greatest security risk due to potential vulnerabilities that may exist within the software. These vulnerabilities can be exploited if patches are not applied promptly, and the organization might not have direct control over the software's maintenance and security updates. This risk is amplified in critical manufacturing environments where compromised IoT devices can lead to operational disruptions.

Physical Security (Option A):While important, theft of IoT devices generally poses less risk compared to a system-wide compromise due to software vulnerabilities.

Firmware Storage Constraints (Option C):While a limitation, this is a secondary concern compared to exploitable software.

Devices Not Using Wireless Connectivity (Option D):Wired devices are generally more secure, reducing this as a significant concern.

Disabling operational logging compromises critical functions such as security monitoring, troubleshooting, and compliance reporting. Logs are essential for tracking system activities, identifying anomalies, and conducting forensic investigations in case of incidents. Enhancing processing speed and saving storage should not come at the cost of reducing logging, as this increases security risks and weakens the organization's ability to detect and respond to threats.

Adopting a Peer-Inspired Service Delivery Model (Option B):This might pose risks if not customized for the organization's context, but it is not as critical as the loss of operational logging.

Delegating Business Decisions to the CRO (Option C):While unconventional, this does not inherently introduce risks to IT service delivery unless operational control issues arise.

Eliminating Reports and KPIs (Option D):This could hinder performance tracking but does not compromise operational security as severely as disabling logging.

Operational logging is foundational to maintaining security, reliability, and accountability in IT environments.