david wong

Hey! I'm David, a security engineer at the Blockchain team of Facebook, previously a security consultant for the Cryptography Services of NCC Group. I'm also the author of the Real World Cryptography book. 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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