Popularity is not exactly what attracts most hackers nowadays; it's profit. Yes, in the common case, the more popular the system, the more profit can be made b

Popularity is not exactly what attracts most hackers nowadays; it's profit. Yes, in the common case, the more popular the system, the more profit can be made by hacking it. But if a system is running on a few, but very strategic places, it will be an interesting target and thus attract a lot of effort.