Ultrabook and macbook air laptops are valuable business tools and highly desirable for thieves but they can pose a real challenge when it comes to security the fact is some ultra thin laptops lack a security slot making it impossible to attach a lock and secure it from theft fortunately theres a solution thats just as slim and sleek as the ultrabook itself the kensington security slot adapter securely attaches to your ultrabook and other peripheral devices that do not already have kensing