Also, there’s a reason the “hello world” malware posts are popular - the techniques they’re describing might have been known for years, but they’re practical and they work. Often their longevity is only due to their unfixable nature in exploiting a design flaw. So they’re useful not only from a practical standpoint but also an academic one of demonstrating a class of attack so pernicious that it can only be eliminated with a ground up redesign.

If you can program, you can learn almost any concept in security with self study and a handful of good books. Marketing posts, such as these, often aren't very useful but sure look neat with all the basic blocks...