A man is known by the company his mind keeps.

Thomas Bailey Aldrich

20-May-2012

And there's still nothing new...

28-Jul-2011

During a penetration test I have found one serious vulnerability in a wide-spread product of Citrix.
You can find more information in my advisory section.

24-Oct-2009

The second German OWASP Conference will be held in Nürnberg on 13th October 2009. I will talk about "Design Bugs". More information you will find at the conference website OWASP Germany 2009.

24-Sep-2008

The first German OWASP Conference will be held in Frankfurt on 25th November 2008. And again, I will talk about "Cross-Site Scripting Filter Evasion". More information you will find at the conference website OWASP Germany 2008.

01-Sep-2008

I will give a talk about "Cross-Site Scripting Filter Evasion" at the OWASP AppSec 2008 conference.
Hope to see you from 24.09. till 25.09.2008 in New York!

28-Feb-2008

At the upcoming Heise-Security Conference - "The secure Enterprise website" - I was elected to hold a talk about "Secure Development".

01-May-2007

My first (german) book is out!

For further information, please, visit the website of my book Secure Web Applications - Basics, vulnerabilities and countermeasures.