The kernel is small so security patches and such will be less frequent and there are minimal utilities like ssh, shell, what have you.
Also, the key is that there is very little to exploit so the likely hood of it being exploited is reduced.
Also, the key is that there is very little to exploit so the likely hood of it being exploited is reduced.
Yes, I've exploited them myself with script-kiddy tools. Its not hard. Remember those your average libos application may not have any of those things (if not only an simple IP stack).