SAN FRANCISCO, California (AP) -- Benjamin Daines was browsing the Web when he clicked on a series of links that promised pictures of an unreleased update to his computer's operating system.

Instead, a window opened on the screen and strange commands ran as if the machine was under the control of someone -- or something -- else.

Daines was the victim of a computer virus.

Such headaches are hardly unusual on PCs running Microsoft Corp.'s Windows operating system. Daines, however, was using a Mac -- an Apple Computer Inc. machine often touted as being immune to such risks.

He and at least one other person who clicked on the links were infected by what security experts call the first virus for Mac OS X, the operating system that has shipped with every Mac sold since 2001 and has survived virtually unscathed from the onslaught of malware unleashed on the Internet in recent years.

"It just shows people that no matter what kind of computer you use you are still open to some level of attack," said Daines, a 29-year-old British chemical engineer who once considered Macs invulnerable to such attacks.

Apple's iconic status, growing market share and adoption of the same microprocessors used in machines running Windows are making Macs a bigger target, some experts warn.

Apple's most recent wake-up call came last week, as a Southern California researcher reported seven new vulnerabilities. Tom Ferris said malicious Web sites can exploit the holes without a user's knowledge, potentially allowing a criminal to execute code remotely and gain access to passwords and other sensitive information.

Ferris said he warned Apple of the vulnerabilities in January and February and that the company has yet to patch the holes, prompting him to compare the Cupertino-based computer maker to Microsoft three years ago, when the world's largest software company was criticized for being slow to respond to weaknesses in its products.

"They didn't know how to deal with security, and I think Apple is in the same situation now," said Ferris, himself a Mac user.

Apple officials point to the company's virtually unvarnished security track record and disputed claims that Mac OS X is more susceptible to attack now than in the past.

Apple plans to patch the holes reported by Ferris in the next automatic update of Mac OS X, and there have been no reports of them being exploited, spokeswoman Natalie Kerris said. She disagreed that the vulnerabilities make it possible for a criminal to run code on a targeted machine.

In Daines' infection, a bug in the virus' code prevented it from doing much damage. Still, several of his operating system files were deleted, several new files were created and several applications, including a program for recording audio, were crippled.

Behind the scenes, the virus also managed to hijack his instant messaging program, so the rogue file was blasted to 10 people on his buddy list.

"A lot of Mac users are in denial and have blinders on that say, `Nothing is ever going to get to us,' " said Neil Fryer, a computer security consultant who works for an international financial institution in Britain. "I can't say I agree with them."

Fryer, also a Mac user, said he has begun taking additional precautions over the past year to make sure he doesn't fall victim to an attack. He spends more time than in the past scrutinizing his security logs for signs of intruders, and he uses a firewall and additional security applications, just as he would with a Windows-based machine.

Among the other signs Macs are a growing target:


The SANS Institute, a computer-security organization in Bethesda, Maryland, added Mac OS X to its 2005 list of the top-20 Internet vulnerabilities. It was the first time the Mac has been included since the experts started compiling the list in 2000.


This week, SANS updated the list to warn against flaws in Safari, the Mac Web browser, which the group said criminals were able to attack before Apple could fix.


The number of discovered Mac vulnerabilities has grown in recent years, with 81 found last year, up from 46 in 2004 and 27 in 2003, according to the Open Source Vulnerability Database, which is maintained by a nonprofit group that tracks security vulnerabilities on many different hardware and software platforms.


Less than a week after Daines was attacked in mid-February, a 25-year-old computer security researcher released three benign Mac-based worms to prove a serious vulnerability in Mac OS X could be exploited. Apple asked the man, Kevin Finisterre, to hold off publishing the code until it could patch the flaw.

The Mac's vulnerability could also increase as Apple transitions to a product line that uses microprocessors made by Intel Corp., security experts said.

With new Macs running the same processor that powers Windows-based machines, far more people will know how to exploit weaknesses in Apple machines than in the past, when they ran on the PowerPC chips made by IBM Corp. and Motorola Corp. spinoff Freescale Semiconductor Inc.

"They have eliminated their genetic diversity," said independent security consultant Rodney Thayer. "The fear is that we're going to run into a new class of attacks."

Bud Tribble, Apple's senior vice president of software technology, disagreed.

"All the things we've been doing to make Mac OS X secure continue to be relevant on Intel," he said.

Mac OS X, he said, is designed to be Internet-safe out of the box, without the need for firewalls or additional security software. He praised Mac OS X for making it easy for users to automatically install security patches.

He noted that the operating system was derived from FreeBSD, open source software that was built from the ground up to provide security for computers networked together. Since its origins in the early 1990s, the Unix-based FreeBSD has continually been battle-tested by college students and computer security specialists.

"The bottom line is we still feel more comfortable using a Mac than a (Windows) PC," said Alan Paller, director of research for SANS.

But as Daines can attest, there are no guarantees.

"We're all sort of waiting with bated breath to see if any problem will happen and the jury is still out," said Thayer, the independent security consultant. "I don't think you'll find a consensus."
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Apple = Evil

apple = awesome

microsoft = evil

Apple = Awsome, and dare I say.. Microsoft aint bad either.. they may be buggie and corporate as heck, but if it weren’t for both companies I don’t think we would be where we where today.. i prefer Mac's however cant afford one.. I love Linux, have it installed on my PC, no need to hate what’s only been major contributions for the human race... People always forget to look a the whole picture. and yes, since Macs went *nix they became more susceptible to thingz like that yo ;-)

-Skep

nay,

Apple are evil

microsoft is the devils bi***

ugh, why are the little brats suddenly signing up...

Removed Quote

although apple are more than just evil...

OOOOOO Apple wants a piece of the Antivirus money pie.