The ZIA Logs Downloaded rule is designed to detect unauthorized downloads of ZIA Audit Logs, which are critical for monitoring activities within a Zscaler environment. This rule monitors logs with a specific action of 'DOWNLOAD' performed in the ZIA admin interface, with a successful outcome noted in the logs. A detection will be triggered if there is at least one occurrence within a specified deduplication period of 60 minutes, where logs indicate the audit logs were downloaded. The detection mechanism is structured to filter significant logs while ignoring unrelated actions, such as sign-ins, to reduce noise and focus only on events that reflect critical actions regarding sensitive audit log data. The rule is of medium severity, emphasizing the importance of monitoring log downloads to prevent leakage of sensitive information. Administrators are advised to confirm whether such downloads were anticipated and to ensure that there hasn't been any unauthorized exposure of sensitive data.