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On my corporate mail address I get almost no single piece of SPAM. However, on my private address - running on some Belgian hoster - I get a bunch of it, and to some extent I really enjoy doing the manual SPAM filtering (I got really good at it already). However, this one caught my attention today: Bacheelor...

"Never reveal too much" - it's a motto that's applicable in many areas, including security. Why does a failed attempt to log in into Windows result in "Invalid user name or password". Couldn't the system tell you just which field you screwed up? Yes, it could . But no...

Everyone knows UAC by now. One core element of Vista's UAC vision is the elevation of processes, used to run something as an administrator. Typically, you open up a command line instance (cmd.exe) which has been elevated already prior to invoking commands that require elevation. But what if you're...

Time for another security feature in Windows Vista: WinSta0 isolation. The first question that might pop up in your head is "So, what exactly is WinSta0?". Keith Brown has the answer . The problem with WinSta0 is the possibility for Windows Services to display a UI prompt in the window station. Pre-Vista...

Spyware protection for free. For use on Windows XP SP2 and Windows Server 2003 SP1. Requires genuine Windows. Download it here

Simple question today: "How to change the password of a SQL Server account programmatically using .NET?". The answer: Microsoft.SqlServer.Management.Common . Create a simple Console Application project and add a reference to the Microsoft.SqlServer.ConnectionInfo.dll assembly (should be listed...

In this personal webcast episode called " AzMan for dummies ", I'm showing you how to use AzMan (Authorization Manager) to implement role-based security in your managed code application (18 minutes in length).

During the preparation of the MSDN Security Evenings (first one is tonight in Ostend) I ran into this nice piece of security-related software called "Microsoft Anti-Cross Site Scripting Library V1.0" which is a free download at Microsoft Download ( download the library here ). Basically the library comes...

This evening a friend of mine pinged me on MSN about a problem, with the scary nickname "XYZ starting to hate the microsoft office suite". Apparently, Word (and other Office applications) stopped to respond when he tried to open or save a document through the File/Open or File/Save dialog, navigating...

I'm in the middle of preparing the MSDN Security Evening sessions over here in Belgium, which will be just fantastic (hope to see you there). Currently I'm messing around with buffer overruns, one of my favorite topics on the field of security. Instead of just doing the silly "call another function using...