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Apple OS X 10.5.6 BSOD?

Apple BSODIt looks like Apple may have helped some of their users join the coveted Blue Screen of Death (BSOD) club this week with the latest update to Mac OS X.

This update has caused a great number of problems for Mac users, something that isn’t typical of updates to the Apple OS.  For the few who read this notice prior to installing the update, there was a clue on the Apple support website in the article discussing the update which indicated that this update may cause problems:

You may experience unexpected results if you have third-party system software modifications installed, or if you have modified the operating system through other means, or if you have moved Apple applications from their default locations (the /Applications or /Applications/Utilities folders). (This does not apply to normal application software installation.)

This kind of warning isn’t typical and has led some to speculate that maybe this update wasn’t truly ready for prime time.

The rather hefty software update, much like a Windows service pack, weighs in at 190MB containing fixes for a number of known, and unknown, OS X issues.  The problem is with the problems that have arisen since the update became available.

The majority of sites are reporting problems with the update installation process itself citing extremely long load times and installations not completing, these are leading to people trying to reboot their machines part-way through the install process which is always a recipe for disaster.

Ars Technica is also reporting that there are a number of other hidden <ahem> “gems” in the 10.5.6 update not the least of which is some code to prevent the jailbreaking of 3G iPhones and iPod touches.  Nice, Apple. And thanks for leaving that little detail out on the list of features/additions etc.  Jerks.

Thanks to MacOS Ken, IT Wire, Ars Technica, and others.

Security on the Mac

Recently I came across a discussion on a Mac forum with some people discussing how shocking it was that Apple had been recommending that its Macintosh customers consider using anti-virus software.  This is a discussion that has always raised my ire, as the supposed superior security of the Mac has always been an issue of numbers.

No operating system is perfect, they’re all designed by people and are full of flaws as a result.  It’s important to keep in mind that one of the reasons that Mac OS X has had precious few problems with viruses and other nasties is market share.

Writing viruses is much like sending out mailers for advertising your new business. The more people you reach with your message (or malware) the more people you’ll connect with (infect).

If you want to infect lots of people, you write your malware for Windows.

Five years ago the market share of the Mac was in around the 5% mark, meaning that if you wrote a virus for the mac and distributed it to 20 million computer users you’d infect 100 people (at a rate of 1 in 10,000). If you write for Windows and infect people at the same rate, you’ll infect 1900 people.

With the market share of the Mac increasing, so does the surface area for attacks. Many Mac owners have become complacent over the years believing that they are safe because they use a Mac. As a result the infection rates of Mac systems could be much higher than Windows-based PCs if malware authors decide to target the Mac platform.

Food for thought.