Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×
This handbook is meant to be a practical guide to auditing Unix. It will be kept as up-to-date as possible. The commands and filenames given here are applicable to a Sun Solaris system. However, there are cross-command references for AIX and Linux.