[ArkyBeagle]

1) The rules for hardening 'C' based applications aren't exactly obscure nor are they new.

2) Some things very much need to never be on a wider network with untrusted nodes. This is easier than it sounds...

[kodfodrasz]

They are not new, I agree, I have been writing such programs for a few years. Looking back to those times make me say that C should be avoided for such tasks.