As part of the Microsoft Online Services, you have ForeFront Online Protection for Exchange to secure your Exchange Online mailboxes.
As Online Services is going to move to 2010 products version, FOPE is going to be updated too. The new version (in beta as well as Office 365) is FOPE 1.1 released on March 2011.
As part of the new features available with this release, you can access the FOPE administration from OWA.
To access the FOPE administration website, open Outlook Web Access and logon with an Office 365 administrative account.
Then, click on the Options link (at the top right, just below your name) and choose Set All Options
Then, on the top left part, click on Manage Myself and choose My Organization
Click on the Mail Control option available on the left menu
And finally, click on Configure IP safe listing, perimeter message tracing and e-mail policies available on the right part of the windows
This will open a new browser windows and logon automatically on the FOPE administration site.
Off course, you can still access directly to the administration from the URL https://admin.messaging.microsoft.com