Hello
The "Insecure Or Cleartext Authentication Detected rule" in Splunk is activated for the process C:\Windows\System32\wbem\WmiPrvSE.exe because it involves the transmission of sensitive information, such as keys or credentials, in clear text. This can be a security risk as it exposes the information to potential interception or sniffing by attackers.
The process WmiPrvSE.exe (WMI Provider Host) is a legitimate Windows process that is used for managing system operations and interacting with the Windows Management Instrumentation (WMI) service. However, if it is transmitting data in clear text, it could be due to the use of insecure protocols or configurations that do not encrypt the data.
To fix this issue, you can take the following steps:
Verify the Configuration: Ensure that the WMI service and any related applications are configured to use secure protocols. Avoid using protocols that transmit data in clear text, such as Telnet or FTP, and instead use secure alternatives like SSH or SFTP.
Update and Patch: Make sure that your Windows operating system and all related applications are up to date with the latest security patches. This can help mitigate vulnerabilities that may cause data to be transmitted in clear text.
Use Encryption: Implement encryption for data in transit. This can be done by configuring the WMI service to use encrypted communication channels, such as HTTPS, to protect the data being transmitted.
Monitor and Audit: Regularly monitor and audit your system for any signs of insecure data transmission. Use tools like Splunk to detect and alert you to any instances of clear text authentication or data transmission.
By following these steps, you can help ensure that the WmiPrvSE.exe process and other related processes do not transmit sensitive information in clear text, thereby enhancing the security of your system.