Hey! I'm David, cofounder of zkSecurity and the author of the Real-World Cryptography book. I was previously a crypto architect at O(1) Labs (working on the Mina cryptocurrency), before that I was the security lead for Diem (formerly Libra) at Novi (Facebook), and a security consultant for the Cryptography Services of NCC Group. This is my blog about cryptography and security and other related topics that I find interesting.

How would you detect an Evil Twin attack, especially in a new environment? posted April 2015

An interesting question on security.stackexchange

If two wifi have the same name, and you know one is there for a man in the middle attack, then how can you guess which one it is?

There are a lot of interesting answers, like triangulating the signal to see which one is your modem, or checking the MAC address...

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