FW: SECURITY NOTICE: insecure passwords on your machine
Michael Deal
mdeal at stanford.edu
Mon Dec 6 08:17:54 PST 2004
Ted told me of this issue last week and we changed the passwords to
acceptable ones. We posted the new passwords at the machines on the
instruction sheets. -mike
At 08:10 AM 12/6/2004, John Shott wrote:
>Mary et al:
>
>One other thing that we can do on many machines (although maybe not on
>these) is to put them on the Stanford "shadow" network so that they are
>inaccessible/invisible to people outside of Stanford.
>
>In this case, I believe that these two machines are the ones that Mike
>Deal uses for remote visibility of the Hitachi S-800 and the CNRI
>Microscope. So, at some level, they each need broader accessibility than
>just on campus. However, I don't know enough of the details to know
>exactly what ports they use and exactly what needs to be visible to the
>outside world. I suspect that Mike Deal and Mike Bell can provide us with
>more detail as to what services they need outside the campus and then we
>should try to lock down everything else.
>
>What OS runs on these machines?
>
>Thanks,
>
>John
>
>
>Mary Tang wrote:
>
>>Hi all --
>>
>>Although I know little about these machines, it seems to me that they
>>have "bad" passwords because they are general-use machines -- they were
>>set up so that anyone who takes a picture on the SEM or the microscope
>>can upload their data on the network. However, the network security
>>concerns are serious. We have this problem (or may have) on other
>>systems in the lab as well. It seems to me that we have a couple of ways
>>to approach this:
>>
>>1. Choose better account names and passwords and post these at the
>>station. This is presuming that the security problem is from "outside"
>>rather than "inside" the lab.
>>2. Take the systems off the network. We should then upgrade these
>>systems to accomodate USB keys or other the media of choice. (This is
>>what we did for the CAD PC's.)
>>
>>Any other suggestions?
>>
>>Mary
>>
>>Dick Crane wrote:
>>
>>>Mike,
>>>
>>>I'll have them changed tomorrow.
>>>
>>>Dick
>>>
>>>Michael Bell wrote:
>>>
>>>
>>>
>>>>Mary and Dick,
>>>>
>>>>I wasn't sure who was responsible for setting the passwords on these two
>>>>pieces of equipment, but it appears as though these are general passwords
>>>>that are well known and used by a number of people. It would probably make
>>>>sense to change both the user "USER" and the password before redistributing
>>>>the information. There is a link below that talks about making good
>>>>passwords.
>>>>
>>>>Regards,
>>>>
>>>>Mike
>>>>
>>>>-----Original Message-----
>>>>From: Information Security [mailto:security at stanford.edu]
>>>>Sent: Wednesday, December 01, 2004 6:39 PM
>>>>To: michael.bell at stanford.edu
>>>>Subject: SECURITY NOTICE: insecure passwords on your machine
>>>>
>>>>Dear michael.bell at stanford.edu,
>>>>
>>>>The Stanford campus has been experiencing a series of attacks by viruses
>>>>that take advantage of computer accounts with weak passwords. Below is
>>>>a list of Windows computers that have been found to have one or more
>>>>accounts with blank or easily guessed passwords. You are listed as an
>>>>administrative contact for these machines (or at least the most recent
>>>>person to have been associated with them).
>>>>
>>>>IP Address Machine Name Vulnerable Accounts
>>>>============== ===========================
>>>>==================================
>>>>171.64.100.35 snf-sem.Stanford.EDU User 'USER' has password 'snf'
>>>>171.64.101.112 snf-microscope.Stanford.EDU User 'USER' has password
>>>>'stanford'
>>>>
>>>>To protect your computers and those around you, it is very important
>>>>that you set good passwords for *all* the accounts on these machines (the
>>>>list provided is not guaranteed to be complete). For more information on
>>>>setting good quality passwords, see:
>>>>
>>>>http://security.stanford.edu/passwords
>>>>
>>>>Setting a good password before a break-in takes only a few seconds.
>>>>Rebuilding a system after a break-in can take hours, and your lost
>>>>data may not be recoverable at all. A small preventive effort will
>>>>significantly lower the possiblity that your machine will be compromised
>>>>and will greatly improve the security of the entire Stanford network.
>>>>
>>>>Thank you for helping to secure Stanford's computing environment.
>>>>
>>>>Sincerely,
>>>>David Hoffman
>>>>Information Security
>>>>
>>
>
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