[web-nfc] Improve security section (#583)

kenchris has just created a new issue for https://github.com/w3c/web-nfc:

== Improve security section ==
Party feedback from TAG.

I have written some improvements that @zolkis will be integrating

Please view or discuss this issue at https://github.com/w3c/web-nfc/issues/583 using your GitHub account

Received on Wednesday, 24 June 2020 09:12:00 UTC