Final answer:
The ability of the Commissioner to investigate suspected data breaches benefits individuals by preventing further breaches and protecting personal information.
Step-by-step explanation:
The ability of the Commissioner to investigate not only actual, but also suspected, data breaches benefits individuals regarding the protection of personal information by allowing for proactive measures to be taken to prevent further breaches and mitigate potential harm. By investigating suspected breaches, the Commissioner can uncover vulnerabilities in security systems and implement necessary safeguards to protect personal information. This helps to ensure that individuals' personal information remains secure and reduces the risk of identity theft, financial theft, and other negative consequences that can result from data breaches.