Carlo Dapino released a FREE course on Infrastructure Security consulting

Videos playlist:

https://www.youtube.com/watch?v=gVm2wJVi3FA&list=PLn-zatw8pw4ovSt1W3nAz-j5EL0kxQaFx

Slideshare for slides download:

https://www.slideshare.net/CarloDapino

(each lesson will have one file for download)