def is_authenticated(account_pk):
    account = models.RemoteAccount.objects.get(pk=account_pk)
    if account.has_access():
        url = settings.SUPPORT_AUTH_URL
        auth_header = make_auth_header(account)
        info = get_ts_info()
        params = {
            "version": info.get("version", "Version Missing"),
            "serial_number": info.get("serialnumber", "Serial Missing"),
        }
        try:
            response = requests.get(
                url, params=params, headers=auth_header, verify=False
            )
        except requests.exceptions.RequestException as err:
            logger.error("Request Exception: {0}".format(err))
        else:
            if response.ok:
                return True
            else:
                logger.error("Authentication failure at {0}: {1}".format(url, response))
    return False