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OWASP Denver

Welcome to the Denver chapter homepage. Chapter leader is Steve Kosten.
Don't let the dated look and feel of this website fool you...
The Denver OWASP Chapter is one of the largest and most active in the World!
Note that we primary use our site for regular updates and meeting information so be sure to visit it to keep apprised of our regular meetups.
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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About the chapter

The Denver OWASP chapter is comprised of Denver metro area (and beyond) professionals and is constantly evolving. In the early years, our chapter meetups consisted of 3-5 people talking about appsec in a donated meeting space. From there we have migrated to holding meetings of 15-25 people at the building in Denver, to 30-40 people on the Community College of Aurora campus, to maxing out capacity at the Chinook Tavern to our current location of Dave & Busters (maxing out the 120+ capacity at this venue as well on many nights). The Denver OWASP chapter is about the community, application security, and discussing advances in technology that impact us all.
Chapter Meetings are held the 3rd Wednesday of designated months, see the site for regular updates and meeting information.

A large part of why 100+ people regularly attend our meetings is due to our presenters (spectacular networking with intelligent individuals coupled with great food and drinks certainly helps). As such, we are always looking for talented speakers ready to share interesting information on a wide variety of topics: Please reach out to Denver OWASP Chapter Leader Steve Kosten: steve 'dot' kosten 'at' if you are interested in presenting at one of our regular meetups.



A big thank you to Solutions II for being our primary monthly meeting sponsor (ongoing now for several years)!! It is much appreciated!

Solutions II is nationally recognized for world class innovation in virtualization, business continuance, data lifecycle management and information security, networking and compliance. Solutions II’s security practice specializes in risk and compliance, including mobile device management, SIEM, Next Generation Firewalls, IDS/IPS, encryption and more. Solutions II assists clients every day to leverage technologies and services that drive the cost out of IT. Solutions II's commitment to success includes a professional services practice dedicated to increasing customer service levels and decreasing the time and support required for implementations to keep their Clients "Performing Ahead of the Curve.”.

Chapter Board of Directors

Here's the team that's putting it all together:

  • Chairman/Chapter Leader - Steve Kosten
  • Board Member: Serge Borso
  • Board Member: Aaron Cure
  • Board Member: Matt Shufeldt
  • Board Member: Frank Vianzon

OWASP Podcast

OWASP Podcast

Questions, Comments

Questions can be directed to

  • Steve Kosten, Denver OWASP: steve 'dot' kosten 'at'

Past Meetings

As you can tell we have been doing this for quite some time with regularity. Some of our older presentations are listed below

All meetings after July 2014 may be found on our : Denver OWASP Meetup Site

July 2014:Andy Earle: "Static Analysis: Beyond the Basics"

March 2014:Matt Shufeldt: "Data Breaches"

July 2013: Jim Manico: "Secure Coding Techniques Part 2"

June 2013: Aaron Cure: "Less Frequently talked about vulnerabilities"

April 2013: Matt Schufeldt: "Security in the SDLC"

March 2013: Jim Manico: "Secure Coding Techniques"

February 2013: Chris Roberts: "The Evolution of Hacking"

July 2013: Dave Ferguson: "Building a Successful Application Security Program"

June 2012: Laz: Emerging Threats

May 2012: Steve Kosten: XSS hands-on

April 18th 2012: Tim Van Cleave "Intro to WebScarab and WebGoat"

Denver January 2012 meeting January 18th, 2012| Greg Knaddison "How Does Drupal Security Stack up?"

September 14th 2011: Chris Schmidt "OWASP ESAPI"

March 17th 2011: Hands on "Hack a Thon"

September 22nd 2010: Eric Duprey: Application Vulnerability Shooting Gallery

August 18th 2010: Clint Pollock: Protecting Your Applications from Backdoors

June 2nd 2010: Front Range OWASP Conference

January 20th 2010: John Evans: Securing Webapps: An Illustrative Overview

November 18th 2009: Anton Rager: Advanced XSS

August 27th 2009: Jon Rose: Security in the Clouds

May 2009: Dr. Joseph McComb & and Daniel Weiske: Compliance and application security testing

March 2009: Front Range OWASP Conference (SnowFROC)

January 2009: David Campbell & Eric Duprey: Guided Tour: AppSec NYC '08 CTF

October 2008: Alex Smolen: The OWASP ASP .NET ESAPI

September 2008: John Dickson: Black Box vs. White Box: Different App Testing Strategies

August 2008: Dan Cornell: Static Analysis

July 2008: David Byrne & Eric Duprey: Grendel-Scan

June 2008: Front Range OWASP Conference: Jeremiah Grossman, Robert Hansen, and more!

May 2008: David Campbell & Eric Duprey: XSS Attacks & Defenses

April 2008: Ryan Barnett: Virtual Patching with ModSecurity

February 2008: Michael Sutton: SQL Injection Revisited

June 2007

April 2007

February 2007

January 2007

November 2006

Local Organizations of Interest

Mailing List

Join the OWASP Denver Mailing List to receive meeting notifications via email

Key OWASP Resources
Chapter Management Links

Denver OWASP Chapter SOPs