Markus is now at Virtual Forge.
Markus was at SAP (--PeterSommerlad)
also look at http://www.securitypatterns.org and email him at mailto:markus@securitypatterns.org.
before...
I was a researcher at Darmstadt University of Technology. I have been working in the Security area since 1997. The website of my group can be found here: http://www.ito.tu-darmstadt.de.