Rather surprised that the article did not mention CrashPlan:<p><a href="http://www1.crashplan.com/landing/index.html" rel="nofollow">http://www1.crashplan.com/landing/index.html</a><p>Works under Mac, Windows, and Linux; everything is encrypted during transfer and storage; and it can backup to any computer across the LAN or WAN, including CrashPlan's own hosted service if desired.