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unrecognized computer - security risk?


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#1 kirbdog

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Posted 27 July 2013 - 01:45 AM

Hi, (I may have posted earlier in the wrong forum, this one may be more fitting)

 

I am running windows 8 from my dorm room, and It is hooked up to the internet through an ethernet cord that the residence provides for free.

 

When I open up "My Computer", I see my C: drive, but I also see something else that I don't recognize.  In this case, it's called siddhi-pc, but on another day, i noticed it was another name.  I have attached a screen shot showing the unrecognized device.

 

Should I be worried that I am sharing an unsecure internet source, and that others may have access to my computer?  I don't know much about security and firewalls, so I'm wondering if I need to install anything to protect my computer.

 

Thanks!

 



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#2 kirbdog

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Posted 27 July 2013 - 02:11 AM

sorry, here's the screen shot, hope you can see it

Screenshot (6).png


#3 Didier Stevens

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Posted 27 July 2013 - 03:04 AM

When you connected your computer for the first time to this network, it asked you if you wanted to share access (public network) or not. What did you answer?

 

If you don't remember, open your Network and Sharing Center.


Edited by Didier Stevens, 27 July 2013 - 03:05 AM.

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#4 kirbdog

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Posted 27 July 2013 - 09:13 AM

It was different, because it never asked me anything when I first joined, and I was able to hook up and use the internet.  Regardless, I checked and Network Discovery and File sharing are turned off.  But wouldn't other computers show up under 'Network' and not under my 'Computer'?

 

TIA

 

 



#5 Queen-Evie

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Posted 27 July 2013 - 09:22 AM

kirbdog, Welcome to Bleeping Computer.

I deleted your duplicate post from Windows 8. For future reference, if you believe you posted in the wrong forum you can use Report in your post to inform the moderators and ask that it be moved to the appropriate forum.

You need to find out if your setting is for Public Network or not.

To do that open Network and Sharing Center.

Under View your active networks is the name of your network. Underneath that it will say one of the following
Home network
Work network
Public network.

Which of those do you see?

By looking at Network Discovery you were looking in the wrong place. All network discovery does is tell you what/who is connected to the network.

Edited by Queen-Evie, 27 July 2013 - 09:39 AM.


#6 Didier Stevens

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Posted 27 July 2013 - 10:14 AM

Home network
Work network

 

I think that in Windows 8, these are now called Private Network.


Didier Stevens
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#7 kirbdog

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Posted 27 July 2013 - 10:27 AM

Thanks for the guidance- 

 

i have double checked, and it is a public network.  I just hope that the windows defender/antivirus has a good protection against unauthorized entry.  Is the windows 8 normally setup with a firewall?  I'm not sure where to confirm that.  Or is there something else that I can do?

 

thanks again for the quick replies



#8 Didier Stevens

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Posted 27 July 2013 - 10:34 AM

Is the windows 8 normally setup with a firewall?  I'm not sure where to confirm that.

 

Go to the Control Panel, to System and Security / Action Center

This will give you an overview of which security features are activated.


Didier Stevens
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#9 kirbdog

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Posted 27 July 2013 - 10:47 AM

Thanks, looks like my firewall is on, and I feel a little better.  But just out of curiosity, any ideas why someone else's computer shows up under mine?



#10 Didier Stevens

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Posted 27 July 2013 - 11:16 AM

I don't

 

 But just out of curiosity, any ideas why someone else's computer shows up under mine?

 

Based on the name I believe it is another computer, but notice that is shows up as a Media Server. So I think you'll only be able to stream media (music, ...) from it.

But if you want to try this, check first with the owner if it's intentionally sharing media.


Didier Stevens
http://blog.DidierStevens.com
http://DidierStevensLabs.com

SANS ISC Senior Handler
Microsoft MVP 2011-2016 Consumer Security, Windows Insider MVP 2016-2019
MVP_Horizontal_BlueOnly.png

 

If you send me messages, per Bleeping Computer's Forum policy, I will not engage in a conversation, but try to answer your question in the relevant forum post. If you don't want this, don't send me messages.

 

Stevens' law: "As an online security discussion grows longer, the probability of a reference to BadUSB approaches 1.0"





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