Hi! I have been studying for the SAA-C03 and during my mock exams I have come up lacking in several dimensions, particularly in the Security domain, so I have immersed myself in the official AWS documentation and some additional courses, but I recently stumbled upon your post by chance and it has been very supportive. I find it to be a well clear narrative, spot on and at a level technical enough (because it should be) but natural enough for anyone to understand. Excellent material.... Thanks!!!!