What key log data should be monitored from smart meters to detect malicious activity?

To detect malicious activity, key log data to monitor from smart meters includes access logs, event logs, and data logs. Access logs record all attempts to access the smart meter's internal systems, including both successful and failed login attempts. Monitoring these logs can help identify unauthorized access attempts, brute-force attacks, or other suspicious activity. Frequent failed login attempts from unknown IP addresses, for example, could indicate an attacker trying to gain access to the meter. Event logs record significant events that occur on the smart meter, such as firmware updates, configuration changes, and communication errors. Monitoring these logs can help detect unauthorized changes to the meter's configuration or the installation of malicious software. For instance, an unexpected firmware update or a change in the meter's communication settings could indicate a compromise. Data logs record the meter's energy consumption data, as well as any data transmitted to or from the meter. Monitoring these logs can help detect anomalies in energy consumption patterns, which could indicate meter tampering or energy theft. Unusual data transmission patterns could indicate that the meter is being used to launch attacks against other devices or systems. Monitoring should also look for attempts to reset or reprogram the meter, which are strong indicators of compromise. Analyzing these log data types in combination can provide a comprehensive view of the smart meter's security and help detect malicious activity before it can cause significant damage.