Public key encryption is the answer. You set a random password, encrypt it with a public key and send it to a text file named after the computer’s name on a network share with append-only access for non-IT accounts.
When you need a password you grab the text file from the network share, decrypt it with the private key, and you’re golden. With file auditing on the server share, you even have logs of who’s looked at each file. Breaking this model then requires someone have the private key, AND the password to unlock the private key, AND to steal IT credentials to read the files (ACL-based security). You can take even further steps for additional defense in depth, but this basic layout accomplishes almost every goal most people bring up. Daniel Wolf From: [email protected] [mailto:[email protected]] On Behalf Of Ken Schaefer Sent: Wednesday, November 5, 2014 5:11 PM To: [email protected] Subject: RE: [NTSysADM] Has anyone implemented this solution? Where are you going to store the encryption key? From: [email protected]<mailto:[email protected]> [mailto:[email protected]] On Behalf Of Matthew W. Ross Sent: Thursday, 6 November 2014 4:06 AM To: [email protected]<mailto:[email protected]> Subject: Re: [NTSysADM] Has anyone implemented this solution? Yes, if the file it's in is encrypted. --Matt Ross Ephrata School District Kennedy, Jim <[email protected]<mailto:[email protected]>> , 11/5/2014 5:35 AM: Are you two ok with storing important passwords in text document on a share and using ACL’s to secure that? From: [email protected]<mailto:[email protected]> [mailto:[email protected]<mailto:[email protected]>] On Behalf Of Matthew W. Ross Sent: Tuesday, November 4, 2014 7:52 PM To: [email protected]<mailto:[email protected]> Subject: Re: [NTSysADM] Has anyone implemented this solution? If you don't trust Windows based ACLs, how do you secure anything in Windows? --Matt Ross Ephrata School District Michael B. Smith <[email protected]<mailto:[email protected]>> , 11/4/2014 4:46 PM: Do you trust Windows ACL-based security? If not - well, you might have a lot of other concerns as well. -----Original Message----- From: [email protected]<mailto:[email protected]> [mailto:[email protected]<mailto:[email protected]>] On Behalf Of Kurt Buff Sent: Tuesday, November 4, 2014 7:41 PM To: [email protected]<mailto:[email protected]> Subject: Re: [NTSysADM] Has anyone implemented this solution? Yes, they are stored in plain text in the AD field. That's something to think about, and something to test in the lab. Kurt On Tue, Nov 4, 2014 at 4:18 PM, Kennedy, Jim <[email protected]<mailto:[email protected]>> wrote: > My kid just pointed out that in the fine print it states the passwords > are stored in plain text. Yea the are restricted access but still..... > > > Comments mention you can get then encrypted with Premier. > > ------ Original message------ > > From: Kurt Buff > > Date: Tue, Nov 4, 2014 3:51 PM > > To: [email protected]<mailto:[email protected]>; > > Subject:Re: [NTSysADM] Has anyone implemented this solution? > > Cool. I'll see if I can lab this up, and if I get it working, I'll > report back. > > Thanks! > > Kurt > > On Tue, Nov 4, 2014 at 12:35 PM, Kennedy, Jim > <[email protected]<mailto:[email protected]>> wrote: >> Ok, got one confirmation from Twitter that it deployed with no >> problems and works as advertised. >> >> -----Original Message----- >> From: [email protected]<mailto:[email protected]> >> [mailto:[email protected]<mailto:[email protected]>] >> On Behalf Of Kurt Buff >> Sent: Tuesday, November 4, 2014 2:42 PM >> To: [email protected]<mailto:[email protected]> >> Subject: [NTSysADM] Has anyone implemented this solution? >> >> If so, how did it go? Any gotchas? >> >> Blog article on implementation >> >> http://blogs.technet.com/b/askpfeplat/archive/2014/05/19/how-to-autom >> ate-changing-the-local-administrator-password.aspx >> >> Code for the project >> https://code.msdn.microsoft.com/Solution-for-management-of-ae44e789 >> >> I might have the chance to implement, but wanted feedback before I >> put it up in a lab. >> >> Thanks, >> >> Kurt >> >> > >
