AE Password in clear text

Friends,

We have implemented AE 5.2 SP3. Also we have SSO in place which uses third party tool Siteminder for authentication. And Apache plays the web server role.

In AE configuration, we have enabled additional authentication for approvers while approving.

This actually writes the password in clear text in the webserver log (Apache).

Is there any options we can avoid or encrypt this.

Thanks.

Muthu Kumaran KG