"When setting up advanced group permissions using SUID and SGID, can you recommend some best practices and things to avoid?
"Sander van Vugt: Advanced permissions can be very useful, but very dangerous as well. Let's talk about SUID, first. This permission is meant to be used on executable program files only when strictly necessary. In my opinion, it is better not to use them at all. They can provide an excellent backdoor for a hacker if used not in the right way..."
