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OWASP Belgium

Welcome to the Belgium chapter homepage. The chapter leader is Sebastien Deleersnyder
Click here to join the local chapter mailing list.


OWASP Foundation (Overview Slides) is a professional association of global members and is open to anyone interested in learning more about software security. Local chapters are run independently and guided by the Chapter_Leader_Handbook. As a 501(c)(3) non-profit professional association your support and sponsorship of any meeting venue and/or refreshments is tax-deductible. Financial contributions should only be made online using the authorized online chapter donation button. To be a SPEAKER at ANY OWASP Chapter in the world simply review the speaker agreement and then contact the local chapter leader with details of what OWASP PROJECT, independent research or related software security topic you would like to present on.


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Block your agenda's for our next chapter meeting on January 25th in Brussels. More details to follow.

Structural Sponsors 2011/2012

OWASP Member affiliated to the Belgium chapter:


OWASP Belgium thanks its structural chapter supporters for 2011 and the OWASP BeNeLux Day 2011:

Zionsecurity.jpg SAIT_Zenitel.jpg Bnl11-Barracuda_Logo-4C.png AppSec_Research_2010_sponsor_F5_logo.jpg

If you want to support our chapter, please contact Seba Deleersnyder


Next Meeting (25th of January 2012) in Brussels


25th of January 2012 18h-21h00


Location is sponsored by Cisco Belgium.

Location: Cisco, Pegasus Park, De Kleetlaan, 6A, B-1831 Diegem. See directions.


The agenda:

  • 18h00 - 18h30: Welcome & Sandwiches
  • 18h30 - 18h45: OWASP Update (by Sebastien Deleersnyder, SAIT Zenitel, OWASP Board)
  • 18h45 - 19h45: devops, secops, devsec or *ops ? A gentle introduction to Devops (by Kris Buytaert, Inuits)
This talk will summarize the different ideas behind devops, and will show that this goes beyond tooling and becomes a way of thinking, where ultimately everybody will stand together to support the business.
Some call this phenomenon devops, others hate the word and want to call it *ops or ops* , truth is that agile techniques used in development have an impact on the way operations organizes it work. Similar, operations and sysadmins are becoming programmers because of the virtualization and automation trend where everything is managed through an API. And security is imvolved everywhere.
Kris Buytaert is a long time Linux and Open Source Consultant. He's one of instigators of the devops movement, currently working for Inuits. Kris is the Co-Author of Virtualization with Xen, used to be the maintainer of the openMosix HOWTO and author of different technical publications. He is frequently speaking at, or organizing different international conferences. He spends most of his time working on Linux Clustering (both High Availability, Scalability and HPC), Virtualisation and Large Infrastructure Management projects hence trying to build infrastructures that can survive the 10th floor test, better known today as the cloud while actively promoting the devops idea ! His blog titled "Everything is a Freaking DNS Problem" can be found at
  • 19h45 - 20h00: Break
  • 20h00 - 21h00: Hardening web applications against malware attacks (by Erwin Geirnaert, Zion Security)
During this presentation we give an overview of how we can harden web applications against different types of attacks used by malware to bypass the existing security controls in the web application. We discuss the OWASP Top 10 and how malware can abuse these attacks and how the developer must implement a different strategy. We explain why (mobile) browser security is an important aspect of web application hardening and most importantly that the battle against malware is an ongoing battle. For every countermeasure the security industry develops to protect web applications and is used by a lot of companies today we will show how malware is being developed to bypass these solutions. To finalize we give some advice on how to protect against these malware attacks, using pro-active and detective controls.
Erwin Geirnaert founded ZION SECURITY in 2005 to help companies to protect against the latest threats, attacks against web applications. ZION SECURITY is nowadays a Belgian market leader in the field of security testing, vulnerability management, penetration testing and banking security. Erwin has more than 10 years of experience in web security, graduating with a Master of Science in Software Development from the University of Ghent. Erwin executes different types of projects for a lot of international software companies, financial institutions, telecom and web agencies. Specialist in executing code reviews in different development languages for critical applications, executing continuous penetration tests of their infrastructure and Internet applications. A specialist in J2EE security, .NET security and web services security. Erwin architects secure e-business projects for web agencies and software companies. He is a recognized application security expert and speaker at international events like Javapolis, OWASP, Eurostar,


Please register via TBD

Next Meeting (6th of March 2012) in Leuven


6th of March 2012 18h-21h00


Location is sponsored by The University of Leuven.



The agenda:

  • 18h00 - 18h45: Welcome & Pizzas
  • 18h45 - 19h00: OWASP Update (by Sebastien Deleersnyder, SAIT Zenitel, OWASP Board)
  • 19h00 - 20h00: TBD (by Ken)
  • 20h00 - 20h15: Break
  • 20h15 - 21h15: Access Control Design Best Practices (by Jim Manico, WhiteHat Security)
Access Control is a necessary security control at almost every layer within a web application. This talk will discuss several of the key access control anti-patterns commonly found during website security audits. These access control anti-patterns include hard-coded security policies, lack of horizontal access control, and "fail open" access control mechanisms. In reviewing these and other access control problems, we will discuss and design a positive access control mechanism that is data contextual, activity based, configurable, flexible, and deny-by-default - among other positive design attributes that make up a robust web-based access-control mechanism.
Jim Manico is the VP of Security Architecture for WhiteHat Security, a web security firm. Jim is a participant and project manager of the OWASP Developer Cheatsheet series. He is also the producer and host of the OWASP Podcast Series.


Please register via TBD

Past Events

The Belgium Chapter is supported by the following board:

  • Erwin Geirnaert, Zion Security
  • Philippe Bogaerts, F5
  • André Mariën,
  • Lieven Desmet, K.U.Leuven
  • Joël Quinet, Telindus
  • Sebastien Deleersnyder, Zenitel
  • Bart De Win, Ascure
Our goal is to professionalize the local OWASP functioning, provide in a bigger footprint to detect OWASP opportunities such as speakers/topics/sponsors/… and set a 5 year target on: Target audiences, Different events and Interactions of OWASP global – local projects.