No one is saying there could never be a virus in the wild, but until there is, practicing safe computing will provide all the protection needed. An antivirus app won't protect you from a zero-day threat, and practicing safe computing has protected many against new threats that popped up that antivirus apps didn't detect. Detection rates among AV apps are less than 100%, and AV apps rarely add new definitions the same day a threat is discovered. It can take several days or weeks or even never before some AV apps update their definitions database. If you insist on running antivirus apps, you should also practice safe computing, to shield you from threats that antivirus apps miss.The point was that even if there's only worms and trojans that doesn't mean there won't be a virus in the wild, the first guy I quoted said there aren't virus in the wild, I replied with an article that to me makes a lot of sense, more and more people buy macs now, sooner or later there will be virus for macs, the second article, i admit it, my bad, i didn't think you guys could tell the difference between a virus and a trojan reading the replies here but the point is that there's malware for osx already, if this guy wants to be protected that's ok, if you know how AV work for windows you must know that it is very very difficult to the user to catch the virus the day it is released, so if most of AV databases updates daily, you will be protected against that new virus, unless you have very bad luck and infect your mac the day the virus is released
Yes, we know the difference between a virus and a trojan or a worm and other forms of malware. Knowing what kind of malware exists determines what defenses are needed.
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