File sharing, BIND, sendmail take top spots as anti-security technologies of 2000

“Remember that software is rarely perfect, and that new
vulnerabilities, not all of which can be foreseen, are often
introduced when features are added and bugs are fixed. How
do you keep these problems from becoming your problems? By
making sure that you’re not running outdated versions of these
technologies and by applying bug fixes and code patches with a
religious intensity.” This from IDG.net.