Added info for reporting security-related issues

Author: ffdixon

_posts/2015-04-05-faq.md

@@ -215,6 +215,9 @@ To obtain a committer agreement, download [BigBlueButton Inc. Contributor Agreem
 
 Once we receive the signed Contributor Agreement, we can review your submission for inclusion in BigBlueButton.  The process for submission depends on whether it's fixing a bug (submitting a pull request) or whether it's an enhancement (submitting a feature).
 
+## Where should I report potential security issues?
+You can email Fred Dixon, the product manager for BigBlueButton, at ffdixon .at. bigbluebutton .dot. org.
+
 ### Submission of a pull request
 
 If you want to submit a pull request, your chances of acceptance are **greatly** improved if the following are true: