If you were in Las Vegas for DEF CON 26 this year you may have seen a talk I gave with my colleague Yolan Romailler about collecting public keys and breaking them.

The video will be uploaded to Youtube eventually and I will update this post with its link. For …

I attended Spark Summit Europe 2016 in Brussels this year in October, a conference where Apache Spark enthusiasts meet up. I've been using Spark for nearly a year now on multiple projects and was delighted to see so many Spark users at Square Brussels.

There were three trainings to choose …