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According to the web search results, a cloud access security broker (CASB) is a software solution that stands between the cloud service provider and the cloud service user to enforce security controls. One of the most important benefits of using a CASB when migrating to a cloud environment is enhanced data governance, as it helps to protect sensitive information from unauthorized access, sharing, or loss. A CASB can also provide data classification, encryption, data loss prevention (DLP), and other features that enable organizations to manage and secure their data in the cloud.

References = What Is a Cloud Access Security Broker (CASB)?, A beginner’s guide to cloud access security brokers

Decreasing false positives is the best indicator that the information security manager has tuned the system to address senior management’s concern that the organization’s intrusion prevention system (IPS) may repeatedly disrupt business operations. False positives are alerts generated by the IPS when it mistakenly blocks legitimate traffic or activity, causing disruption or downtime. Decreasing false positives means that the IPS has been configured to reduce such errors and minimize unnecessary interruptions. Increasing false negatives is not a good indicator because it means that the IPS has failed to detect or block malicious traffic or activity, increasing the risk of compromise or damage. Decreasing false negatives is not a good indicator because it does not affect business operations, but rather improves security detection or prevention. Increasing false positives is not a good indicator because it means that the IPS has increased its errors and interruptions, worsening senior management’s concern. References:

Continuous monitoring is the most effective way to identify changes in an information security environment, as it provides ongoing awareness of the security status, vulnerabilities, and threats that may affect the organization’s information assets and risk posture. Continuous monitoring also helps to evaluate the performance and effectiveness of the security controls and processes, and to detect and respond to any deviations or incidents in a timely manner. (From CISM Review Manual 15th Edition and NIST Special Publication 800-1371)