Windows Security, Running Windows

Jesper's Blog

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Welcome to Jesper Johansson's blog. This is my home for pontification on the web. In case this is your first time here, I have been working on information security for about 20 years, and have been writing and speaking on the topic for about 10. I am also a Microsoft MVP in Windows Security.
My most recent book is the Windows Server 2008 Security Resource Kit . Because I am also a scuba instructor you may find some posts related to that topic as well. Just because it took me so long to get it, I also like to say that I have a Ph.D. in Management Information Systems from the University of Minnesota.

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Remotely listing all installed updates: A couple of weeks ago I published a script to list installed updates . Predictably, one of the comments ask for a version that can do that remotely. Here it is. This version can be run a couple of ways. First, you can double-click it. If you do it will...
Posted 11 January 2008 01:08 AM by jesper | 1 comment(s)
Filed under: Windows Security, Running Windows

Group Policy Fails For One User: Recently I started noticing a very strange problem. user Group Policy was not applying for a single user. All other users got GPO just fine, but for one user GPO failed to apply. This manifested itself in a couple of interesting ways: When you run gpresult...
Posted 25 November 2006 03:25 PM by jesper | 8 comment(s)
Filed under: Windows Security, Running Windows

New Article: SBS At Home: I've had this love-hate relationship with Microsoft Small Business Server (SBS) for years. On the one hand, I agree to a large extent with Tom Shinder and Tim Mullen that SBS makes security compromises that in many, if not most, businesses are imprudent...
Posted 28 September 2006 10:41 AM by jesper | 3 comment(s)
Filed under: Windows Security, Running Windows

Wiping a drive, the easy way: While poking around for a blog post on Susan's blog, I found this one , asking how to wipe a drive. Teacher, Teacher, I know the answer, I know: cipher /w:<drive letter> This command, built into Windows XP and higher, does a three-write pass...
Posted 24 August 2006 10:15 PM by jesper | 4 comment(s)
Filed under: Windows Security, Security, Running Windows

SMB Message Signing Troubles?: Susan posted this a few days ago , and I just thought it made sense to give it some more attention. SMB Message Signing is one of, if not the most, problematic security setting in Windows. It is commonly used to defeat man-in-the-middle attacks, but getting...
Posted 24 August 2006 09:57 PM by jesper | 1 comment(s)
Filed under: Windows Security, Running Windows

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The Windows Server 2008 Security Resource Kit is available!
. You can also order it as part of the whole Windows Server 2008 Resource Kit and save some money.
Or, if you need to know about Vista instead, there is:

If you need a more general approach to help you Protect Your Windows Network, there is a book for that too

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All postings are copyright Jesper M. Johansson, in the year they were made. These postings are provided "AS IS" with no warranties, and confer no rights. All postings are the sole opinions of Jesper M. Johansson and do not reflect any official opinion of anyone else with whom the poster is affiliated or has been affiliated in the past. Use of included code samples is permitted for non-commercial use, with no warranties of fitness express or implied. All use of any information or code snippets posted in this blog at the user's sole risk. The blog site would like to thank www.ownwebnow.com and www.exchangedefender.com for their support.

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