In trying to create a cure, Sophos has in fact created one of the more devastating pests in OS X's history.
The anti-virus firm's virus fighting application for OS X wrongly detects the Inqtana-B virus in files for Microsoft Office 2004 and Adobe Acrobat Reader. Depending on the configuration, it will then isolate or delete those files. Several network administrators as a result have had to spent the last two days trying to restore systems while workers were locked out of the applications.
Sophos' website fails to mention the mistake, but the SANS Internet Storm Center provided the necessary information.
To make matters worse, Sophos messed up while fighting a worm that is designed in such a way that it can never propagate and hence won't infect a single system, because Inqtana-B is a proof of concept worm.
Coincidence has it that Sophos also was one of the first (if not the first) anti-virus firms to warn about the first Apple worm last week. No
wonder that critics are now flaming the firm for creating a security scare for its own (financial) benefit. Apparently security vendors too are struggling to cope with the emergence of the first OS X worms.
Picture borrowed from here
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