IT Queries: Computer problems answered

I bought a Mac because I was fed up with my kids infecting the family computer. Now I’m reading Macs may be more vulnerable because virus writers attack popular computer systems. Is this true and should I get an anti virus for my Mac?

The short answer is “no”. The “big target” story is peddled by people who either have no understanding of computer security or have an interest in selling anti virus software.

In reality the bad guys go for the easy targets and in the world of computer security there’s no easier target than Windows.

In a recent Security Intelligence Report, Microsoft pointed out the first version of Windows XP was by far the most susceptible to viruses. This was due to lousy security (the built in firewall was disabled in XPs early versions) and countless security bugs.

But the main reason for Windows being the malware writers’ favourite operating system is Microsoft’s decision to let Windows users run as Administrators with full control over changing system settings and install software.

Most other operating systems, including Apple OSX, insist users run in without the ability to change system settings.

This fundamental flaw leaves most Windows users wide open to malware infections. Virus and spyware writers just have to get access to the machine and simply visiting a website offering free games, pornography or music lyrics is enough to get many systems infected.

While it is important to take security seriously on all operating systems, including Linux and OS X, by making sure you update security patches and keep your system behind a firewall, Windows has the biggest problems.

Don’t be panicked by ignorant or dishonest advice.

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