Apple’s AirDrop feature is a convenient way to share files between Apple devices. Security researchers from Technische Universitat Darmstadt in Germany say it’s possible for strangers to discover the phone number and email of any nearby AirDrop user. If you have the feature enabled, it doesnt even require you to initiate or engage with any sharing to be at risk. The problem is rooted in AirDrops Contacts Only option. The researchers say they also presented Apple with a possible solution dubbed PrivateDrop”]
Source: https://gizmodo.com/airdrop-security-flaw-exposes-1-5-billion-apple-devices-1846747548