Category: Blog

  • Functional Programming tests on domain names

    Intro This week’s post is a bit short but trying to point towards some great coding concepts about R. In summary, let’s just say that in R, everything is an object. So are functions. And one can have a function return an object, including… A function. Why is that cool? Because it might just help…

  • GeoIP for Maps

    To start of the year 2021, let’s go on with a visualization, using my “Home Lab”-generated data… I might have mentioned the idea of creating “maps” in the past. Bringing that down to earth, what will usually apply for us (in the IT Security field), i.e. a typical use-case for this is “geo-IP”. In other…

  • Playing with logs basics – Regex

    Last post of 2020 (most probably). Not specific to R per-se, true. I personally believe that any IT security analyst should be able to work with regular expressions. Not only for logs, mind you, but when it comes to it, I think it is a basic skill. Using regular expressions to filter logs OK so…