Jonathan Brossard

Documents

Affiliations actuelles

Conservatoire National des Arts et Métiers [Cnam] (Cnam)
MOABI

Identifiants chercheurs

Contact

Site web

Présentation

Security Researcher, Expert in Cybersecurity.

Compétences

Cybersecurity Penetration Testing Supply Chain Security Product Security Firmware Backdooring Debuggers

Publications

Practical Vulnerability Triage Under Regulatory Pressure for Modern PSIRTs

Jonathan Brossard

CyberOnBoard, Naval Group, May 2026, Hyeres, French Riviera, France

Communication dans un congrès hal-05696815v1

Witchcraft Solver: Binary-Only Vulnerability Discovery via Symbolic Execution and Directed Fuzzing

Jonathan Brossard

DEF CON Conference, DEF CON, Aug 2026, Las Vegas (Nevada), United States. ⟨10.5281/zenodo.19136269⟩

Communication dans un congrès hal-05718416v1

Automatic Functions Annotations through Concrete Procedural Debugging and ELF Libification

Jonathan Brossard

The 40th ACM/SIGAPP Symposium on Applied Computing, ACM, Mar 2025, Catania, Sicily (Italy), Italy. ⟨10.1145/3672608.3707995⟩

Communication dans un congrès hal-05037497v1

Advances in Lightweight Cross-Architecture Procedural Debugging

Jonathan Brossard

SRC-DAV IEEE/IFIP Workshop on Secure and Resilient Communication for Drones and Autonomous Vehicle Networks, IEEE/IFIP, Jun 2025, Paris, France

Communication dans un congrès hal-05120728v1

Unstripping Cloud Container ELF binaries

Jonathan Brossard

IEEE International Conference on Emerging Technologies and Computing ICETC2025, IEEE/ICETC2025, Jun 2025, Brest, France

Communication dans un congrès hal-05124482v1

Introduction to Procedural Debugging through Binary Libification

Jonathan Brossard

18th USENIX WOOT Conference on Offensive Technologies, USENIX, Aug 2024, Philadelphia, PA, United States. pp.17-25, ⟨10.5555/3696933.3696936⟩

Communication dans un congrès hal-04671473v2

Toward Partial Proofs of Vulnerabilities

Jonathan Brossard

2024 IEEE Secure Development Conference (SecDev), Oct 2024, Pittsburgh, United States. pp.180-182, ⟨10.1109/secdev61143.2024.00023⟩

Communication dans un congrès hal-04795578v1

Automotive/IoT Network Exploits: From Static Analysis to Reliable Exploits

Jonathan Brossard

RSA Conference, RSA, Feb 2020, San Francisco, United States

Communication dans un congrès hal-04676711v1

Reverse Engineering da Morte que Mata

Jonathan Brossard

RoadSec Conference 2020, RoadSec, Apr 2020, Sao Paolo, Brazil

Communication dans un congrès hal-04672230v1

ATTAQUES CONTRE LES SUPPLY CHAINS, RANSOMWARE : DE LA NECESSITE DE NOUVEAUX PROCESSUS

Jonathan Brossard

CESIN : Keynote 2020, CESIN, Dec 2020, Reims, France

Communication dans un congrès hal-04672231v1

Hardware Backdooring is practical

Jonathan Brossard

Nullcon Conference 2019, Nullcon, Mar 2019, Goa, India

Communication dans un congrès hal-04672220v1

Introduction to the Witchcraft Compiler Collection

Jonathan Brossard

BSides San Francisco 2017, BSides Conference, Feb 2017, San Francisco (CA, USA), United States

Communication dans un congrès hal-04672184v1

Silent Protest

Jonathan Brossard , Redditt Richard

Shakacon Conference 2017, Shakacon Conference, Jul 2017, Honololu, Hawaii, United States

Communication dans un congrès hal-04672190v1

Introduction to the Witchcraft Compiler Collection

Jonathan Brossard

H2HC Conference 2016, H2HC, Oct 2016, Sao Paolo, Brazil

Communication dans un congrès hal-04683044v1

Introduction to the Witchcraft Compiler Collection

Jonathan Brossard

Intel Security Conference (iSec) 2016, Itel, Nov 2016, Hillsboro, United States

Communication dans un congrès hal-04672164v1

Introduction to the Witchcraft Compiler Collection

Jonathan Brossard

DEFCON 24, DEFCON, Aug 2016, Las Vegas, United States

Communication dans un congrès hal-04672194v1

The Witchcraft Compiler Collection : Towards Self Aware Computer Programs

Jonathan Brossard

Blackhat Briefings (UK) 2016, Blackhat, Nov 2016, London, United Kingdom

Communication dans un congrès hal-04676821v1

Introduction to the Witchcraft Compiler Collection

Jonathan Brossard

DEFCON 24, DEFCON, Aug 2016, Las Vegas, United States

Communication dans un congrès hal-04672222v1

Filecry : the new age of XXE

Jonathan Brossard

Blackhat USA, Blackhat, Jul 2015, Las Vegas, United States

Communication dans un congrès hal-04606161v1

XXE defence(les)s in JDK XML parsers

Jonathan Brossard

Blackhat USA, Blackhat, Jul 2015, Las Vegas, United States

Communication dans un congrès hal-04606163v1

Hardware Backdooring is Practical

Jonathan Brossard

Shakacon Conference 2015, Shakacon Conference, Aug 2015, Honololu, Hawaii, United States

Communication dans un congrès hal-04683043v1

SMB : Sharing more than your files...

Jonathan Brossard

Blackhat USA, Blackhat, Jul 2015, Las Vegas, United States

Communication dans un congrès hal-04606162v1

Hardware Backdooring is Practical

Jonathan Brossard

AusCERT, Australian CERT, May 2013, Brisbane (AU), Australia

Communication dans un congrès hal-04672157v1

An introduction to the Katsuni theorem and its application to sandboxing and software emulation

Jonathan Brossard

Syscan Beijing, Syscan, Sep 2013, Beijin, Chine, China

Communication dans un congrès hal-04672159v1

Malware, Sandboxing and You : How Enterprise Malware and 0day detection is about to fail (again)

Jonathan Brossard

RUXCON Conference 2013, RUXCON, Oct 2013, Melbourne (AUS), Australia

Communication dans un congrès hal-04672179v1

Sandboxing is (the) shit !

Jonathan Brossard

Hackers to Hackers Conference (H2HC) 2013, H2HC, Oct 2013, Sao Paolo, Brazil

Communication dans un congrès hal-04672191v1

Katsuni理论介绍以及在沙盒和软件仿真方面的应用

Jonathan Brossard

Syscan 360 2013, Syscan 360, Sep 2013, Beijing (China), China

Communication dans un congrès hal-04672160v1

Hardware Backdooring is practical

Jonathan Brossard

Blackhat Briefings (USA) 2012, Blackhat Briefings, Jul 2012, Las Vegas, United States

Communication dans un congrès hal-04672193v1

Hardware Backdooring is practical

Jonathan Brossard

RUXCON Conference 2012, RUXCON, Oct 2012, Melbourne (AUS), Australia

Communication dans un congrès hal-04672174v1

Proprietary Protocols RCE : Research leads

Jonathan Brossard

RUXCON Conference Sydney Monthly 2012, RUXCON, Jul 2012, Sydney (AUSTRALIA), Australia

Communication dans un congrès hal-04672180v1

Hardware Backdooring is practical

Jonathan Brossard

Blackhat Briefings (USA) 2012, Blackhat Briefings, Aug 2012, Las Vegas, United States

Communication dans un congrès hal-04672223v1

Hardware Backdooring is Practical

Jonathan Brossard

Blackhat USA, Blackhat, Jul 2012, Las Vegas, United States

Communication dans un congrès hal-04606160v1

Post Memory Corruption Memory Analysis

Jonathan Brossard

Chaos Communication Congress 2012, CCC, Jan 2012, Berlin (DE), Germany

Communication dans un congrès hal-04672183v1

Hardware Backdooring is practical

Jonathan Brossard

DEFCON 20, DEFCON, Jul 2012, Las Vegas, United States

Communication dans un congrès hal-04672219v1

Hardware Backdooring is Practical

Jonathan Brossard

No Such Conference 2012, NoSuchCon, Apr 2012, Paris, France

Communication dans un congrès hal-04672197v1

Hardware Backdooring is Practical

Jonathan Brossard

Nullcon Conference 2012, Nullcon, Nov 2012, Goa, India

Communication dans un congrès hal-04672221v1

Hardware Backdooring is Practical

Jonathan Brossard

Intel Security Conference (iSec) 2012, Intel, Nov 2012, Hillsboro, United States

Communication dans un congrès hal-04672162v1

Post Memory Corruption Memory Analysis

Jonathan Brossard

Blackhat USA, Blackhat, Jul 2011, Las Vegas, United States

Communication dans un congrès hal-04606158v1

Post Memory Corruption Memory Analysis

Jonathan Brossard

RUXCON Conference 2011, RUXCON, Nov 2011, Melbourne (AUS), Australia

Communication dans un congrès hal-04672169v1

Post Memory Corruption Memory Analysis

Jonathan Brossard

Kiwicon New Zealand 2011, Kiwicon, Nov 2011, Wellington, New Zealand, New Zealand

Communication dans un congrès hal-04672171v1

Post Memory Corruption Memory Analysis

Jonathan Brossard

HITB Conference Kuala-Lumpur 2011, HITB, Oct 2011, Kuala Lumpur, Malaysia

Communication dans un congrès hal-04672224v1

Breaking virtualization by any means

Jonathan Brossard

HITB Conference Kuala-Lumpur 2010, HITB, Oct 2010, Kuala Lumpur, Malaysia

Communication dans un congrès hal-04672212v1

Generic exploitation of invalid memory writes

Jonathan Brossard

Hackers to Hackers Conference (H2HC) 2010, H2HC, Dec 2010, Sao Paolo, Brazil

Communication dans un congrès hal-04672187v1

Breaking virtualization by switching the cpu to virtual 8086 mode

Jonathan Brossard

RUXCON Conference 2010, RUXCON, Dec 2010, Melbourne (AUS), Australia

Communication dans un congrès hal-04672166v1

Breaking Virtualization by switching the CPU to 8086 mode

Jonathan Brossard

HITB Conference Kuala-Lumpur 2010, HITB, May 2010, Kuala Lumpur, Malaysia

Communication dans un congrès hal-04672196v1

Breaking Virtualization by switching to Virtual 8086 mode.

Jonathan Brossard

HITB Conference Amsterdam 2010, HITB, Jun 2010, Amsterdam (NETHERLANDS), Netherlands

Communication dans un congrès hal-04672186v1

Breaking Virtualization by switching the CPU to 8086 mode

Jonathan Brossard

Hackito Ergo Sum 2010, Hackito Ergo Sum Conference, Apr 2010, Paris, France

Communication dans un congrès hal-04672229v1

Breaking Virtualization Software by switching the cpu to Virtual 8086 mode

Jonathan Brossard

Hack In the Box Malaysia, HITB, Oct 2010, Kuala Lumpur (Malaysia), Malaysia

Communication dans un congrès hal-05242058v1

PreBoot Authentication Password Cracking on a budget

Jonathan Brossard

Hackers to Hackers Conference (H2HC) 2009, H2HC, Dec 2009, Sao Paolo, Brazil

Communication dans un congrès hal-04672173v1

Zero crypto attacks against preboot authentication passwords

Jonathan Brossard

Telecomix Conference 2009, Telecomix, Jun 2009, Goteberg, Sweden

Communication dans un congrès hal-04672176v1

Bypassing pre-boot authentication passwords by instrumenting the BIOS keyboard buffer

Jonathan Brossard

DEFCON 16, DEFCON, Jul 2008, Las Vegas, United States

Communication dans un congrès hal-04606156v1

Reverse Engineering for exploit writers

Jonathan Brossard

ClubHack, ClubHack, Dec 2008, Pune, India, India

Communication dans un congrès hal-04672158v1

Bypassing pre-boot authentication passwords by instrumenting the BIOS keyboard buffer

Jonathan Brossard

DEFCON 16, DEFCON, Jul 2008, Las Vegas, United States

Communication dans un congrès hal-04606157v1

Witchcraft Compiler Collection : User Manual

Jonathan Brossard

Blackhat Conference. UBM, pp.47, 2016

Ouvrages (manuel) hal-04676822v1

BIOS Information Leakage

Jonathan Brossard

2005

Article de blog scientifique hal-04676820v1

Language-agnostic secure application deployment

Jonathan Brossard , Peddata Prasad , Emmert Travis , Guest Ryan

United States, Patent n° : US10644890B1. 2020, pp.23

Brevet hal-04672154v1

LANGUAGE AGNOSTIC SECURE APPLICATION DEVELOPMENT

Jonathan Brossard , Ryan Guest , Peddada Prasad , Emmert Travis

France, Patent n° : US 10749689 B1. 2020, pp.23

Brevet hal-04672153v1

METHOD FOR SECURING ACCESS TO A COMPUTER DEVICE

Jonathan Brossard , Massaviol Jonathan Brossard Nicolas

United States, Patent n° : US 9866553 B2. 2018, pp.5

Brevet hal-04672152v1

Dispositif et un procédé de protection contre la rétro conception

Jonathan Brossard

France, Patent n° : EP2075733B1. 2014, pp.13

Brevet hal-04672155v1

Beyond Reachability: Regulatory-Driven Vulnerability Triage for Production Binaries

Jonathan Brossard

2026

Autre publication scientifique hal-05697374v1

Binary Translation for Multi-Architecture Vulnerability Analysis: Unlocking the x86-64 Security Toolchain for ARM, RISC-V, and Beyond

Jonathan Brossard

Ecole Polytechnique (Palaiseau, France). 2026

Rapport (rapport technique) hal-05718440v1

Beyond Fuzzing : Exploit Automation with PMCMA

Jonathan Brossard

HITB. 2011

Rapport hal-04676819v1

[Keynote] Supply-chain Security : Trust but Verify

Jonathan Brossard

Doctoral. Campus Cyber, Paris, France. 2025

Cours hal-05130637v1

[Keynote] A Tale of Oxidation and Witchcraft

Jonathan Brossard

Doctoral. Jussieu, Paris, France. 2025

Cours hal-05130177v1

[RoadSec Keynote 2020] Reverse Engineering da Morte que Mata

Jonathan Brossard

2020

Vidéo hal-04682985v1

[RSA Conference 2020] Automotive/IoT Network Exploits: From Static Analysis to Reliable Exploits

Jonathan Brossard

2020

Vidéo hal-04682982v1

[SHA217/CCC] Silent Protest: DIY wearable protest network

Jonathan Brossard

2017

Vidéo hal-04676723v1

[BSides San Francisco 2017] Introduction to the Witchcraft Compiler Collection

Jonathan Brossard

2017

Vidéo hal-04683003v1

[Shakacon 2017] Silent Protest : a Wearable Protest Network

Jonathan Brossard

2016

Vidéo hal-04682976v1

[DEFCON 2016] Introduction to the Witchcraft Compiler Collection

Jonathan Brossard

2016

Vidéo hal-04683036v1

[H2HC 2016] Witchcraft Compiler Collection : Towards self aware computer Programs

Jonathan Brossard

2016

Vidéo hal-04682996v1

[Blackhat Europe 2016] Introduction to the Witchcraft Compiler Collection

Jonathan Brossard

2016

Vidéo hal-04683008v1

[Blackhat 2015] SMBv2 : Sharing More than your Files

Jonathan Brossard

2015

Vidéo hal-04683038v1

[H2HC 2013] Sandboxing is (the) shit !

Jonathan Brossard

2013

Vidéo hal-04683034v1

[DEFCON 2012] Hardware Backdooring is Practical

Jonathan Brossard

2012

Vidéo hal-04683037v1

[RUXCON 2012] Hardware Backdooring is Practical

Jonathan Brossard

2012

Vidéo hal-04682980v1

[Blackhat 2012] Hardware Backdooring is Practical

Jonathan Brossard

2012

Vidéo hal-04683006v1

[CCC 2011] Post Memory Corruption Memory Analysis : Automated Exploitation of Invalid Memory Writes

Jonathan Brossard

2012

Vidéo hal-04683010v1

[Nullcon 2013] Hardware Backdooring is Practical

Jonathan Brossard

2012

Vidéo hal-04683033v1

[HITB Malaysia 2011] Post Memory Corruption Memory Analysis

Jonathan Brossard

2011

Vidéo hal-04682990v1

[Blackhat 2011] Post Memory Corruption Memory Analysis

Jonathan Brossard

2011

Vidéo hal-04683005v1

[H2HC 2009] Pre-Boot Authentication Password Cracking on a Budget

Jonathan Brossard

2009

Vidéo hal-04682999v1

[DEF CON 2008] Bypassing Pre-Boot Authentication Passwords by Instrumenting the BIOS Keyboard Buffer

Jonathan Brossard

2008

Son hal-04692372v1

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