def date_to_cisco_date(date):
    """
    This function gets a date and returns it according to the standard of Cisco Email security.
    Args:
        date: YYYY-MM-DD hh:mm:ss.
    Returns:
        The date according to the standard of Cisco Email security - YYYY-MM-DDThh:mm:ss.000Z.
    """
    return date.replace(' ', 'T') + '.000Z'