Anotações:
- some companies that defend closed source argue that since the code is not available that is less chance to discover unknown bugs of the system
- this false sense of “security by obscurity” is nowadays becoming less popular.
- nineteen century Kerckhoff's principle: we should assume that enemy know one's cipher system and so security should only reside on the key, can easily be transported to nowadays Operating System debate. With reverse engineering tools and techniques that is certain
- by the other side, in a closed-source perspective it is really much more difficult to change the operating system, although this is not an advantage if we easelly manage to break it.
- a bas example of a closed system is DVD, that as you know was cracked by 16 year old finish boy. Finland had give us so many fruitful people ...