... Linux can certainly be considered to be as secure -- or more secure -- than operating systems from other vendors. ... I won't pretend to be an expert on security issues, however I am at least aware of these issues, which I believe to be a large part of the battle towards making one's systems as secure as possible. ... For details on keeping an up-to-date server, see the "Downloading and Installing Red Hat Updates" , as well as the "Strategies for Keeping an Up-to-date Server" sections. ...