The alteration of a tool’s Media Entry Management (MAC) handle on the Android working system to a pseudo-random worth, somewhat than the system’s factory-assigned handle, is a privacy-enhancing characteristic. For instance, as a substitute of a community constantly figuring out a tool by its hardware-defined handle, the system presents a unique handle every time it connects to a brand new Wi-Fi community, or at common intervals. This hinders monitoring throughout completely different networks.
This characteristic presents a notable enchancment in person privateness by limiting the flexibility of community operators and different entities to trace units primarily based on a persistent identifier. Traditionally, the hardware-defined MAC handle has been used to profile person conduct, monitor location, and ship focused promoting. By adopting a randomized handle, the hyperlink between a tool and its community exercise is weakened, lowering the potential for all these monitoring actions. The adoption of this expertise additionally helps to defend towards community assaults that depend on MAC handle filtering or blacklisting.