We only covered the essentials in the previous article, so today I'd like to show you an amazing world of OpSec devices. Few people are aware, but there are many!

At this point, I'll divide my story into several sections, the first of which will cover the most important and basic points before moving on to more complex and specific ones. When deciding how can I also divide this article, I settled on the financial aspect.

So, in Part I, I'll tell you what everyone can do right now to improve your security for free and quickly, and in Part II, I'll show you how you can improve your security if you can afford to invest in it up front.

If you already know everything and want to find something new, go straight to Part III, in which I have collected my work and interesting references - they certainly will not leave you indifferent! Let's get started!