Since you've got a single instance of Flash installed in your system, which surfaces on different browsers - for example, IE has Flash, Firefox has Flash, Opera has Flash, and of course Safari - the idea is that that represents a single point of contact.

It is now standard and many computers already have Flash installed.

In order to see this content you need to have Flash installed.

Users that either can't or don't have Flash installed won't be able to view all of the content as intended.

PLEASE NOTE: The Family Activity Planner is a free service, but to use it you will need to have Flash installed on your computer.

I mean, if there are at least a few popular models of Mac that don't have Flash installed already, it seems like there would be an opening for these kind of shenanigans.

Please ensure that javascript is enabled and that you have Flash installed in order to see the multimedia content available on this page.

In order to see this content you need to have an up-to-date version of Flash installed and Javascript turned on.

Security firm Intego was the first to post about the new malware on its blog, noting that although the company has only received one report so far from a user who downloaded it, the malware does exist in the wild and may trick Mac users who don't yet have Flash installed.

The malware, which targets Mac users, does not exploit a vulnerability but simply relies on users who do not have Flash installed clicking on the offered link.