BYOD (Bring your own device) is the correct answer. MITM is a type of attack. Embedded systems are systems that serve a specific purpose and are part of a larger system, thus this is not correct. iCloud is a storage/synchronization service offered by Apple.
Bring your own device (BYOD)—also called bring your own technology (BYOT), bring your own phone (BYOP), and bring your own Personal Computer (BYOPC)—refers to the policy of permitting employees to bring personally owned devices (laptops, tablets, and smart phones) to their workplace, and to use those devices to access privileged company information and applications. The phenomenon is commonly referred to as IT consumerization.
BYOD is making significant inroads in the business world, with about 75% of …