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Update MAC address randomization #481

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Sep 29, 2024
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Update MAC address randomization #481

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8 changes: 2 additions & 6 deletions README.md
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good edit

Original file line number Diff line number Diff line change
Expand Up @@ -1385,17 +1385,13 @@ Also see [Signals from the Crowd: Uncovering Social Relationships through Smartp

Saved Wi-Fi information (SSID, last connection, etc.) can be found in `/Library/Preferences/SystemConfiguration/com.apple.airport.preferences.plist`

You may want to [spoof the MAC address](https://en.wikipedia.org/wiki/MAC_spoofing) of the network card before connecting to new and untrusted wireless networks to mitigate passive fingerprinting:

```console
sudo ifconfig en0 ether $(openssl rand -hex 6 | sed 's%\(..\)%\1:%g; s%.$%%')
```
You can have a different, [random MAC address](https://support.apple.com/en-gb/guide/mac-help/mchlb1cb3eb4/mac) for each network that rotates over time. This will help prevent you from being tracked across networks and on the same network over time.

macOS stores Wi-Fi SSIDs and passwords in NVRAM in order for Recovery Mode to access the Internet. Be sure to either clear NVRAM or de-authenticate your Mac from your Apple account, which will clear the NVRAM, before passing a Mac along. Resetting the SMC will clear some of the NVRAM, but not all.

**Note** MAC addresses will reset to hardware defaults on each boot.

Finally, WEP protection on wireless networks is [not secure](http://www.howtogeek.com/167783/htg-explains-the-difference-between-wep-wpa-and-wpa2-wireless-encryption-and-why-it-matters/) and you should only connect to **WPA2** protected networks when possible.
Finally, WEP protection on wireless networks is [not secure](http://www.howtogeek.com/167783/htg-explains-the-difference-between-wep-wpa-and-wpa2-wireless-encryption-and-why-it-matters/) and you should only connect to **WPA3** protected networks when possible.

# SSH

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