I am the Content Security Tech Lead at Mozilla with over a decade of
experience in Secure Systems Development. My work ranges from
designing systems with fail safe defaults to fighting cross site
scripting as well as preventing man-in-the-middle attacks.
I received my PhD in Computer Science from the University of California, Irvine where I based my research on information flow tracking techniques within web browsers.
Prior to being a graduate research scholar, I received a M.Sc. and B.Sc. in Computer Science from the Technical University Graz, Austria.
⇧ Publications
Peer Reviewed
Extending the Same Origin Policy with Origin Attributes;
Tanvi Vyas, Andrea Marchesini, Christoph Kerschbaumer; International
Conference on Information Systems Security and Privacy; Porto,
Portugal, February 2017
Enforcing Content Security by Default within Web Browsers; Christoph Kerschbaumer; International Conference on Cybersecurity Development; Boston, Massachusetts, November 2016
Injecting CSP for Fun and Security; Christoph Kerschbaumer, Sid Stamm, Stefan Brunthaler; International Conference on Information Systems Security and Privacy; Rome, Italy, February 2016 (Best Paper Award)
Information Flow Tracking meets Just-In-Time Compilation; Christoph Kerschbaumer, Eric Hennigan, Per Larsen, Stefan Brunthaler, Michael Franz; ACM Transactions on Architecture and Code Optimization, Volume 10, Issue 4, December 2013. Invited to present at the International Conference on High-Performance and Embedded Architectures and Compilers; Vienna, Austria; January 2014
CrowdFlow: Efficient Information Flow Security; Christoph Kerschbaumer, Eric Hennigan, Per Larsen, Stefan Brunthaler, Michael Franz; Information Security Conference; Dallas, Texas; November 2013
Towards Precise and Efficient Information Flow Control in Web Browsers; Christoph Kerschbaumer, Eric Hennigan, Per Larsen, Stefan Brunthaler, Michael Franz; International Conference on Trust & Trustworthy Computing; London, United Kingdom; June 2013
First-Class Labels: Using Information Flow to Debug Security Holes; Eric Hennigan, Christoph Kerschbaumer, Per Larsen, Stefan Brunthaler, Michael Franz; International Conference on Trust & Trustworthy Computing; London, United Kingdom; June 2013
SlimVM: A Small Footprint Java Virtual Machine for Connected Embedded Systems; Christoph Kerschbaumer, Gregor Wagner, Christian Wimmer, Andreas Gal, Christian Steger, Michael Franz; Conference on the Principles and Practice of Programming in Java; Calgary, Alberta, Canada; August 2009
Enforcing Content Security by Default within Web Browsers; Christoph Kerschbaumer; International Conference on Cybersecurity Development; Boston, Massachusetts, November 2016
Injecting CSP for Fun and Security; Christoph Kerschbaumer, Sid Stamm, Stefan Brunthaler; International Conference on Information Systems Security and Privacy; Rome, Italy, February 2016 (Best Paper Award)
Information Flow Tracking meets Just-In-Time Compilation; Christoph Kerschbaumer, Eric Hennigan, Per Larsen, Stefan Brunthaler, Michael Franz; ACM Transactions on Architecture and Code Optimization, Volume 10, Issue 4, December 2013. Invited to present at the International Conference on High-Performance and Embedded Architectures and Compilers; Vienna, Austria; January 2014
CrowdFlow: Efficient Information Flow Security; Christoph Kerschbaumer, Eric Hennigan, Per Larsen, Stefan Brunthaler, Michael Franz; Information Security Conference; Dallas, Texas; November 2013
Towards Precise and Efficient Information Flow Control in Web Browsers; Christoph Kerschbaumer, Eric Hennigan, Per Larsen, Stefan Brunthaler, Michael Franz; International Conference on Trust & Trustworthy Computing; London, United Kingdom; June 2013
First-Class Labels: Using Information Flow to Debug Security Holes; Eric Hennigan, Christoph Kerschbaumer, Per Larsen, Stefan Brunthaler, Michael Franz; International Conference on Trust & Trustworthy Computing; London, United Kingdom; June 2013
SlimVM: A Small Footprint Java Virtual Machine for Connected Embedded Systems; Christoph Kerschbaumer, Gregor Wagner, Christian Wimmer, Andreas Gal, Christian Steger, Michael Franz; Conference on the Principles and Practice of Programming in Java; Calgary, Alberta, Canada; August 2009
Magazines
Can we build a Privacy-Preserving Web Browser we all deserve?;
Christoph Kerschbaumer, Luke Crouch, Tom Ritter, Tanvi Vyas; ACM
XRDS Magazine, Summer 2018, Volume 24, No. 4
⇧ Theses
Probabilistic Information Flow Control in Modern Web Browsers;
PhD Thesis, Secure Systems and Software Laboratory, Donald Bren
School of Information & Computer Sciences, University of
Califorina, Irvine, 2014 (Advisor: Prof. Michael Franz)
SlimVM: A Small Footprint Java Virtual Machine for Connected Embedded Systems; Masters Thesis, Institute for Technical Informatics, Technical University Graz, Austria, 2009
SlimVM: A Small Footprint Java Virtual Machine for Connected Embedded Systems; Masters Thesis, Institute for Technical Informatics, Technical University Graz, Austria, 2009
⇧ Invited Talks, Workshops, Seminars
Hardening the Content Security Landscape of Firefox;
Keynote @ German OWASP Day; Karlsruhe, Germany; December 2019
Hardening the Content Security Landscape of Firefox; Mozilla Security Research Summit; Vienna, Austria; November 2019
Preventing Data Exfiltration in the Browser; Mozilla Security Research Summit; San Francisco, California; May 2019
Preventing Data Exfiltration Attempts in the Browser; Mozilla Security Research Summit; London, United Kingdom; November 2018
Enforcing Content Security by Default in Firefox; INRIA; Sophia Antipolis, France; October 2018
Could we use Information Flow Tracking to generate more sophisticated blacklists?; Web Application Security Seminar, Schloss Dagstuhl; Germany; August 2018
Enforcing Security in Firefox; SBA Research; Vienna, Austria; May 2017
Are We Secure Yet? Adversarial thinking to build Secure Systems; Linux Days Graz; Graz, Austria; April 2017
Probabilistic Information Flow Control in Modern Web Browsers; Microsoft Research; Redmond, Washington; January 2015
Information Flow Control in Modern Web Browsers; University of Stanford; California; December 2014
Information Flow in Web Browsers; The SoCal Programing Languages and Systems Workshop; University of California, Santa Barbara, May 2013
Information Flow in Web Browsers; The SoCal Programing Languages and Systems Workshop; University of California, San Diego, December 2011
Bytecode-Based Security for JavaScript; International Conference on Architectural Support for Programming Languages and Operating Systems; Newport Beach, California, March 2011
Bytecode-Based Security for JavaScript; The SoCal Programing Languages and Systems Workshop; University of California, Los Angeles, December 2010
Hardening the Content Security Landscape of Firefox; Mozilla Security Research Summit; Vienna, Austria; November 2019
Preventing Data Exfiltration in the Browser; Mozilla Security Research Summit; San Francisco, California; May 2019
Preventing Data Exfiltration Attempts in the Browser; Mozilla Security Research Summit; London, United Kingdom; November 2018
Enforcing Content Security by Default in Firefox; INRIA; Sophia Antipolis, France; October 2018
Could we use Information Flow Tracking to generate more sophisticated blacklists?; Web Application Security Seminar, Schloss Dagstuhl; Germany; August 2018
Enforcing Security in Firefox; SBA Research; Vienna, Austria; May 2017
Are We Secure Yet? Adversarial thinking to build Secure Systems; Linux Days Graz; Graz, Austria; April 2017
Probabilistic Information Flow Control in Modern Web Browsers; Microsoft Research; Redmond, Washington; January 2015
Information Flow Control in Modern Web Browsers; University of Stanford; California; December 2014
Information Flow in Web Browsers; The SoCal Programing Languages and Systems Workshop; University of California, Santa Barbara, May 2013
Information Flow in Web Browsers; The SoCal Programing Languages and Systems Workshop; University of California, San Diego, December 2011
Bytecode-Based Security for JavaScript; International Conference on Architectural Support for Programming Languages and Operating Systems; Newport Beach, California, March 2011
Bytecode-Based Security for JavaScript; The SoCal Programing Languages and Systems Workshop; University of California, Los Angeles, December 2010
⇧ Blogposts, Press and Media
- Hardening Firefox against Injection Attacks
- Supporting Referrer Policy for CSS in Firefox 64
- Blocking FTP subresource loads within non-FTP documents in Firefox 61
- Supporting Same-Site Cookies in Firefox 60
- Blocking Top-Level Navigations to data URLs for Firefox 58
- Treating data URLs as unique origins for Firefox 57
- Enforcing Content Security By Default within Firefox
- Mitigating MIME Confusion Attacks in Firefox
- A Faster Content Security Policy (CSP)
⇧ Professional
- Mozilla - Content Security Tech Lead, since 2017
- Mozilla - Security and Privacy Engineer, since 2013
- Mozilla - Graduate Program Firefox OS, 2012
- Qualcomm - Graduate Research Program, 2011
- UC Irvine - Graduate Research Assistant, 2010
- Bravestone - Software Engineer, 2009
- TU Graz - Software Engineer, 2005
⇧ Teaching
Introduction to Computer Science II, Teaching Assistant in
Winter 2012;
Abstract behavior of classic data structures (stacks, queues, sorted and unsorted maps), alternative implementations. Recursion. Mathematical analysis of time and space efficiency, program analysis and correctness, system design techniques, programming paradigms.
Compilers and Interpreters, Teaching Assistant and Reader in Spring and Fall 2011;
Introduction to the theory of programming language processors covering lexical analysis, syntax analysis, semantic analysis, intermediate representations, code generation, optimization, interpretation, and run-time support.
Abstract behavior of classic data structures (stacks, queues, sorted and unsorted maps), alternative implementations. Recursion. Mathematical analysis of time and space efficiency, program analysis and correctness, system design techniques, programming paradigms.
Compilers and Interpreters, Teaching Assistant and Reader in Spring and Fall 2011;
Introduction to the theory of programming language processors covering lexical analysis, syntax analysis, semantic analysis, intermediate representations, code generation, optimization, interpretation, and run-time support.
⇧ Awards and Honors
Best Paper Award
International Conference on Information
Systems Security and Privacy, 2016
Roberto Padovani Scholarship Award, Qualcomm, Inc. ($5.000), 2011
Graduate Student Fellowship, Donald Bren School of Information and Computer Science ($90,000+), 2010
Fellowship for Excellent Students Abroad, Rudolf Chaudoire Foundation ($5,000), 2008
Scholarship for Short Time Academic Research and Expert Courses Abroad, TU Graz ($1,000), 2008
Fellowship for Excellent Students, Julius Raab Foundation ($5,000), 2003
Scholarship for Students, Austrian Federal Ministry of Science and Research ($50,000+), 2002
Roberto Padovani Scholarship Award, Qualcomm, Inc. ($5.000), 2011
Graduate Student Fellowship, Donald Bren School of Information and Computer Science ($90,000+), 2010
Fellowship for Excellent Students Abroad, Rudolf Chaudoire Foundation ($5,000), 2008
Scholarship for Short Time Academic Research and Expert Courses Abroad, TU Graz ($1,000), 2008
Fellowship for Excellent Students, Julius Raab Foundation ($5,000), 2003
Scholarship for Students, Austrian Federal Ministry of Science and Research ($50,000+), 2002
⇧ Program Committees
⇧ Affiliations
⇧ Contact
contact (at) firstname lastname (dot) com
Copyright © Dr. Christoph Kerschbaumer 2020
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