def response_domain_security(domain, new_plan_version):
     """
     turn off any domain enforced security features and alert user of deactivated features
     """
     two_factor = domain.two_factor_auth
     secure_sessions = domain.secure_sessions
     strong_mobile_passwords = domain.strong_mobile_passwords
     msgs = []
     if secure_sessions:
         msgs.append(
             _("Your project has enabled a {} minute session timeout setting. "
               "By changing to a different plan, you will lose the ability to "
               "enforce this shorter timeout policy.").format(
                   Domain.secure_timeout(domain.name)))
     if two_factor:
         msgs.append(
             _("Two factor authentication is currently required of all of your "
               "web users for this project space.  By changing to a different "
               "plan you will lose the ability to enforce this requirement. "
               "However, any web user who still wants to use two factor "
               "authentication will be able to continue using it."))
     if strong_mobile_passwords:
         msgs.append(
             _("Your project currently requires all mobile workers to have "
               "strong passwords. By changing to a different plan, you will "
               "lose the ability to enforce these password requirements."))
     if msgs:
         return _fmt_alert(
             _("The following security features will be affected if you select this plan:"
               ), msgs)