Sensible is not a characterization I would use for such an action.

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The rest is the user using their brains and avoiding illegal file web sites; NOT opening every email attachment you get without wondering why you got it in the first place; NOT giving the OS your admin password when it pops up to install something you didnt even inititate, etc.

Many of those that you mention arent much good, for widely varying reasons.

If you choose to use anti-virus software, Sophos is good, but has a chance of causing performance or stability problems.

Less so than most similar programs, but its still possible.

ClamXav doesnt detect quite as well as Sophos (or, it didnt last time I tested it, but its been improving steadily lately) but wont cause you any problems at all.

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Mac is based on Unix OS meaning its a very old OS that rarley gets Viruses.

All the other major anti-virus products for the Mac are troublesome at best, often causing major slowdowns of the computer, web browsing, etc.

There are no malwares out there that can infect your computer without you doing to something to allow it, either by clicking on a link or visitng a website you shouldnt be visiting in the first place.

In other words, the most dangerous security flaw on any computer these days is the person sitting in front of it.

I use it myself and it doesnt slow down or tax the computer very much if at all.

Do not seek an anti-virus solution for nonspecific problems.

Doing so is almost certain to exacerbate whatever troubles you may be experiencing, generally starting you down a well-worn path to misery.

So Anti virus or not Sophos or ClamXav or avast cybersecurity kaspersky bitdefender norton intego.

You can disable that, but if thats not what you want in the first place, go for something like ClamXav.

Also, note that you should not be running full hard drive scans once per week.

Thats a serious waste of resources and a pretty ineffective waste of time.

If you are going to bother with anti-virus software in the first place - the utility of which is debatable - you either need to have full-time on-access scanning or you need to manually scan every incoming file before opening it.

If are not being appropriately cautious with the entry points, and you did happen to get infected with some rare malware, a once-per-week scan will only catch it after the fact, at which point (depending on the malware) your only option may be to erase your hard drive and start fresh.

Installing products from companied that claim specialized knowledge of a Macs operating system, even greater than that of Apples own designers, is a questionable need, if not a downright ridiculous one.

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