Foreword
In the early years of my career I was heavily involved in the (german) Nagios™ community. As I entered that community, around 20 years ago, I loved the open thoughts. There was an OpenSource Software, People who used it with different maturity levels and they helped each others. There were no limits to share knowledge and experiences and this was a wonderful time which shaped me until today.
In that meaning I would like to start a couple of different blog posts to my recent topics – IT Security and within that topic the Defense part. I would like to share my experience with various cyber defense tools and am curious to see how far you can get without $vendors.
I know some of the potential biases like “OSS doesn’t costs License fees, but Human-Power.” and further I actually won’t dive deep into the different licenses from the following OSS / $Free Products/Solutions. So if you are on business please consult the licenses by yourself if you are allowed to use that tools with commercial interests.
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