4. Reservation of all rights to ensure permitted use and/or prevent unauthorised use. <p>Ryanair reserves the absolute right to take all actions it considers necessary against all parties howsoever involved in the unauthorised use of its website and without notice, in order to vindicate its rights and prevent such unauthorised use, including using blocking technology (which may itself involve conducting automated searches of such parties’ websites, screen scraping therefrom, causing such parties to screen scrape Ryanair’s website, breaching the terms of use such parties’ websites, or any similar or associated actions) and/or issuing legal proceedings.</p>