(Not that an AV program is necessary for most Mac users, but I found the
title of the article to be pretty accurate given how Symantec's stuff has
mucked up Macs in the past.......rf)

Norton Anti-Virus makes Mac OS X less secure?
Munir Kotadia, ZDNet Australia
December 22, 2005
URL: 
http://www.zdnet.com.au/news/security/soa/Norton_Anti_Virus_makes_Mac_OS_X_l
ess_secure_/0,2000061744,39229157,00.htm


Apple Macintosh users could be making themselves less secure by installing
Symantec's flagship anti-virus application.

On Tuesday, Symantec admitted that all versions of Norton Anti-Virus (NAV)
contain a security vulnerability that could allow a malicious user to
remotely take control of the computer. This kind of announcement is common
to Windows users but this flaw also affects NAV running on Apple's OS X
platform.

Symantec has not yet issued a patch to fix the issue but it has updated its
scanning signatures to look for applications that try to exploit the
vulnerability.

The Mac is arguably more secure than Windows for a number of reasons,
including its Unix-based architecture, default password protected
administration rights and lower market penetration.

Mac users have not had to face any new virus threats for a number of years.
The closest they have come was the malicious Renepo script, which showed
that OS X has not been completely overlooked by the hacking underground.

However, despite not being targeted by malware writers, OS X users have been
inundated with warnings from analysts, security vendors -- especially
Symantec -- and IT administrators who all believe a serious Mac attack is on
the cards.

In March, Symantec's Internet Security Threat Report predicted that as Apple
increases its market share its userbase is likely to come under increasing
attack. Just a week later, research group Gartner warned businesses reliant
on the Mac to guard against 'spyware infestations'. Even at the University
of Otago in New Zealand, where around 40 percent of the computers are Mac
systems, IT security manager Mark Borrie said that although the Mac is
generally safer than Windows, it still contains vulnerabilities that will be
exploited.

But how long will the OS X platform remain safe? That is a question nobody
seems willing or able to predict.

Security is all about managing risks. We need to figure out how much we are
willing to pay for security and how that will affect users in terms of
flexibility and convenience.

Symantec's latest security vulnerability highlights the fact that
introducing complex code into a computer system makes that computer less
secure.

While researching this article, I asked several security experts if Mac
users are more or less secure once they install Norton Antivirus.

Most, such as Jo Stewart-Rattray, director of information security at Vectra
Corporation, said users would be safer with NAV installed: "This is a glitch
-- a flaw, just as we see in the PC world."

This time I'm afraid I have to disagree.

As the owner of a Powerbook I am faced with a dilemma. Do I pay AU$118.15
for a flawed 'security' application that is designed to protect me from
threats that do not seem to exist; or do I take sensible precautions like
keeping my computer behind a firewall and staying up to date with OS X
patches?

For now anyway, instead of spending my money on a copy of NAV for OS X, I
will be buying a big round in the pub.

What are your views? Do you use an anti-virus application on your Mac? When,
if ever, do you think we will see a serious Mac virus?E-mail us at
[EMAIL PROTECTED] and give us your thoughts.

Munir Kotadia is a Security Journalist at ZDNet Australia.



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