At the airport, scanning Bluetooth signals in a passenger waiting area.

The results:

Purple * – See the person’s name clearly displayed? The type of device/computer they’re using?
Green * -And that long number? That’s a MAC address

MAC address – a device’s unique number, a digital signature. Every device has one. Not related to Apple/Mac computers.

These people are unnecessarily broadcasting a lot of personal information.

If someone shouted, “Hi Rahul!”,

a gentleman within a 30-feet radius would react.

Someone with bad intentions could do a lot with that.

Practice ‘Security through Obscurity‘, and name your phone something boring.

The name of my phone is —

And always remember, one of the most dangerous places to go online is using airport WiFi.

Even the best guys in the world don’t.

SOLUTION – tether your laptop to your phone using a USB cable