Description: Data event selectors are a feature of AWS CloudTrail that allows users to specify which data events they want to log in their audit trails. These selectors are essential for customizing data collection, as they enable organizations to focus on specific events that are critical for their security and compliance needs. By using data event selectors, users can choose to log access events for objects in cloud storage services, as well as access events for database tables. This customization capability not only optimizes storage and log management but also enhances efficiency in detecting suspicious activities and responding to incidents. Data event selectors are particularly relevant in environments where data privacy and security are paramount, as they allow organizations to comply with regulations and internal policies by providing visibility into access and modifications to sensitive data.