Is security a sword of Damocles hanging over Linux, just waiting for its popularity to reach critical mass? That's one persistent argument in the Linux vs. Windows debates, but it's just wrong, according to those who know Linux well. For reasons both technological and behavioral, they say, Linux really is more secure. "If the anti-malware industry has anything to offer GNU/Linux," challenges blogger Robert Pogson, "let them step up."Among all the reasons geeks choose Linux, security is often near the top of the list.And no wonder -- personal preferences aside on all the other many relevant issues, there's plenty of...