About TrainSec Academy
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TrainSec Academy (trainsec.net) is an online cybersecurity and Windows systems training provider. We offer expert-led, self-paced video courses covering Windows internals, systems programming, security research, malware analysis, EDR development, and... Read More
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Courses
Hardware Hacking Track
Internals Track
Programming Track
Security Track
TrainSec Academy Reviews
Average Ratings (All Programs)
Simple Idea
Security researcher | Graduated: 202611/4/2026
Course
Security Track
"The windows internals and EDR internals courses finally showed me what really happens under the hood"
I first took the Windows Internals series with Pavel Yosifovich, followed by the EDR Internals: Research & Development course with Pavel and Uriel Kosayev.
Before taking these courses, I knew most of the terminology, but didn't really understand how everything... Read More
The EDR Internals course takes things to a whole different level. It's a pretty long course (around 40 hours), and you'll definetly want to have some C/C++ experience before jumping in. But if you have the background, it's worth it. You get to build actual components like kernel callbacks, file system minifilters and user-to-kernel communication mechanisms. You also get to look at these same mechanisms from the research and evasion side, which is really interesting. Another nice thing is that the lab VM is already configured, so you don't have to waste hours setting everything up yourself.
A few things I really liked: you can learn at your own pace, the instructors clearly have real hands-on experience with the stuff they're teaching, and the labs actually make you write, test and debug code instead of just watching someone do it.
One thing I'd recommend before buying EDR Internals: don't jump straight into it as a beginner. I'd suggest taking Windows Internals first and getting some experience with WinDbg. You'll get a lot more out of the course that way.
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