User Security Question?

[VeeJay]

Hello Friends

Just had a debate with a collegue at office, but still lack knowledge on
FreeBSD security :(


I have few questions.....

1. What previligies a "standard" user (NOT member of Wheel Group) has on a
FreeBSD Box?

2. How can he/she damages the systems or make a breach?

3. If that particular user is willing to damage the FreeBSD box,
so which "locations" OR "files" are more likely to be damaged or affected?

4. How dangerous a Standard User could be to a FreeBSD box?

5. What sort of possible methods he/she can apply to hack the system and
create a breach into the system?

6. How can we check that if a system is affected by a Bad User?

I would really appreciate your comments in this regard....

Cheers!!!
-- 
Thanks!

BR / vj