Here are 2 follow-up points regarding my original post:

1. As for not being able to uncheck certain boxes in Finder Preferences, it 
does indeed look like some sysadmin pushed some changes.  I have not yet spoken 
to anyone who comfirmed this push, but I did verify the same behavior with a 
few other mac users at work.  So at least it was not a bug or a corrupt file 
that affected only me.

One box that now cannot be unchecked is the one that nags you about whether you 
really want to empty the trash.  I assume this was done to protect users from 
themselves.  The other boxes that cannot be unchecked are the ones that control 
what icons show up on the desktop.  For whatever reason, I don't like to have 
my 4 hard disk icons on my desktop, but now I can't prevent that.  I'm not sure 
why the sysadmins care whether or not hard drive icons are on the desktop!

2. As for the seemingly automatic security update, I found a preference box 
checked which said that the system would automatically install system data 
files and security updates (in the App Store panel of System Preferences).  I'm 
wondering if a recent update made this the default.  I was able to uncheck this 
one, but I left it checked, since I think this is probably a good idea.  I just 
don't remember *not* being asked in the past, so perhaps this is new default 
behavior.

Gregg

On Jan 6, 2015, at 5:18 AM, LuKreme <[email protected]> wrote:

> On 03 Jan 2015, at 19:22 , Macs R We <[email protected]> wrote:
>> On Jan 3, 2015, at 6:19 PM, Dinse, Gregg (NIH/NIEHS) [C] 
>> <[email protected]> wrote:
>> 
>>> I do remember all of my computers recently having a message panel pop up 
>>> that said something about a security update.  This was the first time that 
>>> I recall thinking that the update had been performed without asking for my 
>>> permission.  
>> 
>> Yup, everybody saw this, and indeed it was the first time.  Not a good 
>> precedent.
> 
> Why would you say that? It was a remote code-execution with privilege 
> elevation bug against a service that is running on the majority of OS X 
> machines. It doe not get any more critical than that.
> 
> Machines with an patched ntp were, quite literally, 100% exploitable.
> 
>>> Are you saying that perhaps the update produced this behavior?  I suppose 
>>> it's possible, though only one of my computers is having this problem.  
>>> Could the bug be hardware-specific?
>> 
>> I guess it’s a possibility that the update had something to do with the 
>> behavior,
> 
> I seriously doubt it.
> 
>> but my money is on some different cause.  Unfortunately, I can’t say what 
>> that cause might me.
> 
> He mentioned an “admin” so maybe someone pushed out some settings?

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