Talk:Bay Area

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OWASP Bay Area

Welcome to the Bay Area chapter homepage.
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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Next Event

Date and Location

  February, 21st @ 6PM - Robert Half International
  5720 Stoneridge Dr
  Pleasanton CA 94588

OWASP Bay Area will host its next meeting at the Robert Half International on Thursday, February 21. As usual attendance is free and food and beverages will be provided. This will be an awesome event and a great opportunity to network with industry peers. The event is open to the public; please forward this invite to your colleagues and friends who are interested in computer and application security.

Special thanks to Robert Half International for hosting this event and to Cenzic for sponsoring.


  6:00pm - 6:30pm ... Check-in and Reception (food & beverages)
  6:30pm - 7:15pm ... Your Client-Side Security Sucks. Stop Using It. – Kurt Grutzmacher
  7:15pm - 8:00pm ... NTLM attacks and countermeasures – Eric Rachner
  8:00pm - 8:30pm ... Networking Session 


Your Client-Side Security Sucks. Stop Using It.

Presented by: Kurt Grutzmacher

Abstract: Browser-based security has been used for many years to 'protect' back-end systems from attack or to enhance the user experience. This should not be your only protection and can even open your application to business logic flaws that scanning tools can not detect nor report upon! This talk will show some real world examples of client-side security and the failures they introduced. Business logic flaws such as the MacWorld Expo Platinum Pass will be examined in depth.

Bio: Kurt Grutzmacher has been performing Penetration Testing for a "very large financial institution" for nearly a decade and recently moved to a "very large utility company" to start their internal testing program. For two years in a row he has exposed the methods required to obtain free Platinum Passes to MacWorld and is hoping they'll get it right the third time, he's tired of explaining it to them. Kurt contributes to the Metasploit project occasionally and is currently working on enhancing the project's support for NTLM in web-based attacks. He also randomly blogs at -- very randomly.

NTLM attacks and countermeasures

Presented by: Eric Rachner

Abstract: Eric will demonstrate the NTLM relay attack, in which an attacker accesses arbitrary web sites and file shares using the credentials of any user who can be lured into visiting the attacker's web site. Since NTLM is enabled by default as part of the Windows integrated authentication protocol suite, this attack is a potential concern in any enterprise where Windows is widely used. Following the demonstration, we will explore the history and mechanics of the attack, as well as mitigation options.

Bio: Eric Rachner is a security researcher and lead consultant specializing in threat analysis, vulnerability assessment and penetrating testing of complex mission critical applications and systems. Mr. Rachner began his career in IT at Microsoft in 1994. As a senior member of Microsoft's Security Team, Eric led several projects including application penetration testing, code reviews, design reviews and security awareness training for internal application teams throughout Microsoft's global IT organization. In 2005, Eric became an independent security consultant and researcher providing services to large global enterprises in North America and Europe. Away from the office Eric has many hobbies; he also participated as a core member of the hacking team that won the prestigious "Capture the Flag" contest at Def Con three years in a row.


Please RSVP at

Bay Area Chapter Leaders