I sympathize with your plight. I currently am the sole admin for a
group of companies and inherited a similar scenario. They
previously never had an admin and the place was wide open in
every way imaginable. After immediately plugging all the holes
and batting down the hatches, I began systematically stripping
everyone of their rights, and I do mean EVERYONE, from the
owner on down. Unlike your situation, I was fortunate in that I
encountered absolutely no resistance from management, it was
the workers that were screaming for my head on a plate. But I
was prepared with the ultimate sword... Microsoft's own words.
No matter how savvy the infidels are, their arguments fall apart
upon being shown the verses straight from the "pope".
Armed with Microsoft's edicts, I explained to them that this
wasn't a trust issue in regards to their activity and bore no
reflection on them. I explained that my intentions were to
protect them, not harm them. I agreed with them that this was a
terrible deal that Microsoft had written the os in such a way that
we had to this to be safe. But alas, it was so, and it must be
done.
You can begin by showing them straight from the Help file on
their own machine:
Click on "Start:Help and Support"
Click on "System administration"
Click on "Passwords and user accounts"
Scroll down on the right column to:
"Why you should not run your computer as an administrator"
Why you should not run your computer as an administrator
Running Windows?2000 or Windows?XP as an administrator
makes the system vulnerable to Trojan horses and other security
risks. The simple act of visiting an Internet site can be extremely
damaging to the system. An unfamiliar Internet site may have
Trojan horse code that can be downloaded to the system and
executed. If you are logged on with administrator privileges, a
Trojan horse could do things like reformat your hard drive,
delete all your files, create a new user account with
administrative access, and so on.
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Follow this up with showing them exerpts from Microsoft's site:
http://www.microsoft.com/germany/technet/prodtechnol/
winxppro/reskit/c17621675.mspx
Overview
Every user and computer has a specific role and purpose in an
organization. To accomplish their goals, each user and computer
must be able to access certain resources and perform specific
tasks. However, allowing users and computers unlimited access
to system and network resources and functionality can
compromise an organization?s security and stability. The access
control infrastructure of Windows XP Professional functions to
balance the resource access and system security needs of an
organization.
For example, Alice works in Accounting and needs to be able to
view?but not create or modify?certain Personnel department
files that are off-limits to other users in the organization. The
Personnel department, which controls these files, uses access
control to define which users can have Read-only access to
Personnel files, which users can have Write and Modify access,
and which users have no access to the Personnel share. Alice is
given Read-only access to the Personnel files. Similarly, IT
determines that prohibiting users such as Alice from making
significant changes to their systems can reduce costs and
improve security and supportability. IT makes Alice and other
users members of the Users group, thus limiting their ability to
install applications and reconfigure their operating system
environments. In this way, Alice has the access to resources that
she needs, the security of the organization is enforced, and the
stability of the network is maintained
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My favorite site for collecting additional armaments is from one
of Microsoft's own security experts:
http://blogs.msdn.com/aaron_margosis/archive/2005/04/18/
TableOfContents.aspx
Hope this helps.