Although Adam's approach for backing up photos while traveling worked well for him, readers suggest some different approaches that might work well in other situations.

When you're on vacation, backing up your Mac probably isn't high on your list of things to do. But you should protect your vacation photos, which could easily disappear with a slip in the ocean or a lost piece of luggage. Here's how (complete with some pictures of our recent trip to Wales).

The SANS Institute finds that Apple's patch for a flaw in the DNS protocol doesn't fix client resolver software, leaving Macs vulnerable to a far-less-likely outcome.

Install Security Update 2008-005 now! Apple has finally released a security fix for a serious DNS flaw that's being exploited in the wild. The update also includes fixes for other serious vulnerabilities.

You can update your Mac's flawed DNS software in advance of Apple releasing a critical, necessary, and overdue fix. But do so at your own risk. (This article is now obsolete.)

Google at last enables always-on security for its Gmail service, while also revealing the locations from which your account has been accessed recently.

Apple has made its biggest security stumble ever by not releasing a necessary patch for a serious DNS exploit that allows any domain name to be redirected to any IP address.

In conjunction with the third edition of Joe Kissell's best-selling "Take Control of Mac OS X Backups," we've released the biggest feature comparison of Mac backup apps ever, along with an update to "Take Control of Easy Backups in Leopard."

Take a few simple steps to understand and protect yourself from the latest malicious software targeting Macs.

The release of Time Machine hasn't slowed down development of third-party Mac backup programs. Not only are there more choices now than ever, backup features are evolving in new and surprising ways.

Mac OS X 10.5.3 fixes numerous security vulnerabilities in Leopard, and Security Update 2008-003 addresses those and more for Tiger.

Install some software and engrave a number on your Mac, and in the event that it's stolen, the computer may be able to help in its own recovery by sending you pictures or videos of the thief, or even by screaming for help if it finds itself in an Apple Store.

Details on three new unpatched security flaws were just released. While the risk to Mac users is low, the announcement raises ethical issues about how vendors and security researchers approach security vulnerabilities.

Avoid rogue wireless networks and take advantage of your iPhone's security features with just a few simple screen taps and slides.

Another one of our April Fools articles comes true, as 70 people at a conference in Moscone Center fall victim to a norovirus.