Jesper's Blog
Obligatory file photo:
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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Warning! Don't run Anti-Malware Software on Your Research Machine
I do not run any anti-malware software on my primary workstation. It's a habit I got into way back when I was doing penetration assessments. I showed up at the site, fired up ye olde laptop, and went to run some tool. ...went to run some tool. Hey...
Quantum Security
The May 2008 issue of TechNet Magazine is out. It has an article in it that I have been wanting to write for a long time, called Quantum Security . In it I posit the argument that there are some fundamental laws of security, similar to the laws of physics...
How to remove the security warning, or should you?
This morning there was an interesting question in the Windows Vista Security Newsgroup . The poster had written an application that users were downloading. However, when they ran the application they received a warning dialog, like this one: The poster...
Regulatory Silliness
Susan just pointed me to a " Self-assessment questionnaire " for the Payment Card Industry Data Security Standard (PCI/DSS). While, on the whole, the intent of that standard is good, there are some areas of it that, as usual, stray into the...
Measuring Identity Theft
Chris Hoofnagle, of the Berkeley Center for Law And Technology just published a fascinating report entitled " Measuring Identity Theft at Top Banks ." If you have not already, and you are at all interested in security and privacy, you owe it...
Write down your passwords
A few years back I caused quite a stir when I mentioned in passing during a presentation that writing down your password is a really good idea. A journalist in the room decided that saying so qualified me as insane, and my employer sending an insane person...
Theft-proof biometrics
At last, there is a biometric authentication technique that cannot be stolen. Or, well, it can, but at least it won't work any longer. Drs. Philip M. Rodwell and Steven M. Furnell recently published "A non-intrusive biometric authentication mechanism...
UK Government Leaks Data on Half The Country
Another day. Another data leak. Another round of buck passing. Another round of unsubstantiated claims that they really do care about people's personal information. This one is a doozy though. A junior IT admin at Her Majesty's Revenue & Customs...
All Software Has Vulnerabilities
No matter how smug you are about it, and how much you claim that security is someone else's problem, software will have vulnerabilities. It is a fact of life because software is, by far, the most complex engineering task mankind has ever undertaken...
Dilbert Knows Why Security is Struggling
If it weren't because too many security departments are like Mordac, today's Dilbert would be funny. Unfortunately, there are still far too many people working on security that fail to recognize that nobody actually wants security. Nobody bought...
From the mouth of babes, part 12398
A couple of weeks ago I got myself invited to my oldest son's fourth-grade class to talk to the kids about security. The teacher is really into technology and is doing some very cool stuff. Unfortunately, he is not very into security, yet, so that...
Security is not just for PCs
A friend just pointed me to this fascinating article about an attack on the Greek Vodafone network. The article discusses an attack that installed a rootkit on an Ericsson cellular phone switch which was used to divert calls of high-ranking Greek officials...
Apparently, today was a slow news day
It must have been a slow news day today. I can't think of any other reason why the fact that an ex-Microsoft employee is considering installing a Linux box would be news . Imagine the articles if they realized that, right at this very moment, a whole...
Blue Screen of DRM Death; or The Death Of Windows Media Center
I'm turning off, disconnecting, and throwing out my Windows XP Media Center PC. For two years it has been the DVR unit in my home, as well as just a convenient way to view movies. However, the DRM zealots have finally rendered it completely useless...
What They Teach Kids These Days
Sweden has always been a little "cutting edge," if you know what I mean. Little did I know, however, just how cutting edge. This picture was snapped in a toy store in Stockholm last week: I probably stood there stunned for a good two minutes...
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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
There is now a
mobile version
of the blog.
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