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×
Of course, there are those among us who will worry about the erosion of civil liberties that inevitably flows from tightened security. But it takes only one experience with the terror and frustration of a denial-of-service e-mail attack on your business computers to flush away any concerns about creating Big Brother.