Will Flash cache sensative information?

hello all flash gurus…

i am currently developing a front end flash interface for a government bureau.

the client is seriously worried that the information that is loaded into the flash movie (XML, jpg) will be cached on the user terminal.

does the information that is parsed into the flash movie get cached anywhere and if so what is the easy way to clear the information after each query is submitted?

this is a big project and will have nearly 100,000 entries that is used by many clients hourly…

thanks for your opinions and help.