A system and method are provided for switching between messaging security policies. The method includes determining that a messaging security policy for the electronic device has been downgraded from a higher security level to a lower security level; and removing protected content on the electronic device that has been subjected to the higher security level. Removing protected content can include any one or more of removing access to at least one protected instant messaging group, removing at least one multiparticipant instant messaging conversation, and removing at least a portion of protected content from within a one-to-one conversation with an instant messaging contact.