Comment by app4soft

> Probe requests broadcast the MAC address: https://medium.com/@brannondorsey/wi-fi-is-broken-3f6054210f...

Summary is good:

> Wi-Fi is fucked, everything is broken, Donald J. Trump is president, and the earth is dying. Ok, taking a step back, you might be wondering what you can do to protect yourself. The solution is not without flaws; turn your Wi-Fi off when you aren’t connected to a known network. Doing so will prevent your device from leaking your network names and device fingerprint to the open world. The solution is awkward, easy to forget, and sub-par. But its what we’ve got.