在JVM上禁用本地JMX连接

We are writing a java program which keeps a password in memory. Unfortunately, the user can easily use jconsole or jmap to create a heap dump file and open it to find the password. I think jconsole connects jvm using local sockets. I wanna know, is there any way to disable jmx even for local users? Is there any way to totally disable heap dumps? As the user have access to the memory segment, this is possible to access the password anyway. However, I wanna disable standards ways of doing that to make the action as expensive as possible.We are writing a java program which keeps a pas