Why is allowing users to change/add wallpaper to their desktops a security issue.

We are trying to apply standard desktops throughout our organization. However we ran into issues when we removed the users abliity to add/change the wallpaper on the desktops. People are not happy with this change, and my Manager cannot understand why we removed users ability to change their desktops. We need to show him proof that allowing users access to change their desktops is a securty risk.
Looking for a document that explains security issues involved with access to the desktop in simple easy to understand language ie non technical.
larrybacAsked:
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jcimarronConnect With a Mentor Commented:
In the original post, larrybac asked "We need to show him proof that allowing users access to change their desktops is a securty risk.
Looking for a document that explains security issues involved with access to the desktop in simple easy to understand language ie non technical."
There were several good comments, but certainly the reference http://tech.yahoo.com/blogs/raskin/1515 
should satisfy the requested requirement.
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dude02Connect With a Mentor Commented:
The biggest thing that comes to mine is a virus, spyware, and/or adware.  Any one or more of these problematic issues can be attaching to a picture image.  I have seen my fare cases of when users go on the web and select a picture that they think would make a great background images causes them more problems than they ever image.  Then they call us and wonder why their computer is running so slow to find that they have adware all over their system registry.  
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larrybacAuthor Commented:
Yes we agree and understand these issues. We are trying to show "proof" to our Management. We as IT professionals Understand the risks, but providing evidence to the managers is another matter.
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Danny ChildConnect With a Mentor IT ManagerCommented:
It can also be justified in applying a uniform Look and Feel across an office - so when visitors are there, it is obvious that a defined pc setup is in place.  

It also avoids more temptation where users prank each other by changing their wallpaper.  The next thing users will ask for is custom screensavers, mouse pointers, and other downloadable junk.  

Why don't you take a standard, clean, NON-secured pc, and hook it up to the internet.  Run a scan on it for nasties, and store the results.  Invite your 5 favourite users of wallpaper to browse around for an hour or two, looking for wallpaper, etc, that they'd like to download and use.  When they're all done, run the same scan again, and then you'll see all the malware, of course.  Show the results to your boss.

It's more a question of what is the business **benefit** of allowing this - all the time users are tweaking their pcs, they're not working, and they're generating trouble for later.  

hth, Danny
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larrybacAuthor Commented:
You can see my issue. We already have problems with people loading photos of the family and whatever, and personal screensavers, and the adware infections, and the viruses. But we cannot convience management that this is an issue. What we need is some resource that points out these risks to prove what we are trying to do with locking down the desktops.
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hyphenpipeConnect With a Mentor Commented:
You could always just allow it, and when the crap hits the fan tell them 'I told you so' and then demand a raise.
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larrybacAuthor Commented:
I guess what we need is a consensus from the professional IT community to demonstrate the importance for the standard desktop. Looks like we need to hire a consultant....
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jcimarronConnect With a Mentor Commented:
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James MurrellConnect With a Mentor Product SpecialistCommented:
could you just say "An improperly configured machine can be an invitation for disaster." we did and the board signed off on desktop wallpapers
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TolomirAdministratorCommented:
Well I see a big difference between a wallpaper and a screensaver.

Thus the link from yahoo didn't and doesn't convince me that changing wallpapers is bad.  

Tolomir
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