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.

Have you been pwned? posted December 2013

HaveIbeenPwned.com is a new website allowing you to check if your mail + password has been leak by some of those famous data breach. It's pretty bad, mine is compromised. Fortunately I use different passwords for different kind of websites. I use a garbage password for websites I don't trust, I use an easy and quick password to type for websites I don't care about, I use complicated password for more important things like my server, my steam account, my gmail account, my facebook account etc... and I regularly change them.

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Have you been pwned? posted December 2013

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