Personal information

Cybersecurity, Reverse Engineering, Product Security, Supply Chain Security, Penetration Testing, Firmware Backdooring, Debuggers, Offensive Security
France, United States

Activities

Employment (7)

MOABI: Valbonne, Provence-Alpes-Côte d'Azur, FR

2010-08-01 to present | CTO
Employment
Source: Self-asserted source
Jonathan Brossard

Conservatoire National des Arts et Métiers: Paris, FR

2021-01-01 to 2024-01-31 | Associate Professor (IPN5)
Employment
Source: Self-asserted source
Jonathan Brossard

Change.org: SAN FRANCISCO, California, US

2018-06-01 to 2019-08-31 | Head of Security
Employment
Source: Self-asserted source
Jonathan Brossard

Salesforce (United States): San Francisco, US

2017-07 to 2018-05 | Director (Offensive Security)
Employment
Source: Self-asserted source
Jonathan Brossard

Salesforce (United States): San Francisco, US

2014-08 to 2017-07 | Principal Engineer (Product Security)
Employment
Source: Self-asserted source
Jonathan Brossard

Commonwealth Bank of Australia: Sydney, New South Wales, AU

2010-08-01 to 2014-07-31 | Senior Penetration Tester
Employment
Source: Self-asserted source
Jonathan Brossard

iViZ: Kolkata, West Bengal, IN

2008-01-01 to 2009-03-01 | Lead Information Security Researcher
Employment
Source: Self-asserted source
Jonathan Brossard

Education and qualifications (5)

Conservatoire National des Arts et Métiers: Paris, FR

2021-10 to present | PhD Candidate (CEDRIC/ISID)
Education
Source: Self-asserted source
Jonathan Brossard

Agence Nationale de la Sécurité des Systèmes d'Information: Paris, Paris, FR

2022-09-01 to 2024-05-07 | Expert en Sécurité des Systèmes d'Information (ESSI)
Qualification
Source: Self-asserted source
Jonathan Brossard

École Nationale Supérieure des Mines de Saint-Étienne: Saint-Etienne, FR

2004 to 2007 | Master of Engineering
Education
Source: Self-asserted source
Jonathan Brossard

École Nationale Supérieure des Mines de Saint-Étienne: Saint-Etienne, FR

2004 to 2007 | Master of Science
Education
Source: Self-asserted source
Jonathan Brossard

École Nationale Supérieure des Mines de Saint-Étienne: Saint-Etienne, FR

2004-09-01 to 2006-10-01 | Bachelor in Economy
Education
Source: Self-asserted source
Jonathan Brossard

Professional activities (4)

Nullcon Conference: Goa, IN

2019-11-01 to present | Member of the Review Board
Service
Source: Self-asserted source
Jonathan Brossard

Shakacon Conference: Honolulu, Hawai, US

2011-11-01 to 2018-01-01 | Member of the Review Board
Service
Source: Self-asserted source
Jonathan Brossard

NoSuchCon Conference: Paris, FR

2013 to 2014 | Conference Organizer
Membership
Source: Self-asserted source
Jonathan Brossard

Hackito Ergo Sum Conference: Paris, FR

2009 to 2012 | Conference Organizer
Membership
Source: Self-asserted source
Jonathan Brossard

Works (47)

Toward Partial Proofs of Vulnerabilities

2024 IEEE Secure Development Conference (SecDev)
2024-10-07 | Conference paper
Contributors: Jonathan Brossard
Source: Self-asserted source
Jonathan Brossard

Introduction to Procedural Debugging through Binary Libification

USENIX Workshop On Offensive Technologies (WOOT 24)
2024-08 | Conference paper
URI:

https://hal.science/hal-04674071

URI:

https://hal.science/hal-04672189

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard
grade
Preferred source (of 2)‎

Attaques conte les supply chains, ransomware : de la nécéssité de nouveaux processus

CESIN : Keynote 2020
2020-12 | Conference paper
URI:

https://hal.science/hal-04672231

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

LANGUAGE AGNOSTIC SECURE APPLICATION DEVELOPMENT

2020-08-18 | Patent
Contributors: Jonathan Brossard; Ryan Guest; Peddada Prasad; Emmert Travis
Source: Self-asserted source
Jonathan Brossard via HAL

Language-agnostic secure application deployment

2020-05-05 | Patent
Contributors: Jonathan Brossard; Peddata Prasad; Emmert Travis; Guest Ryan
Source: Self-asserted source
Jonathan Brossard via HAL

Reverse Engineering da Morte que Mata

RoadSec Conference 2020
2020-04 | Conference paper
URI:

https://hal.science/hal-04672230

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Hardware Backdooring is practical

Nullcon Conference 2019
2019-03 | Conference paper
URI:

https://hal.science/hal-04672220

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

METHOD FOR SECURING ACCESS TO A COMPUTER DEVICE

2018-01-09 | Patent
Contributors: Jonathan Brossard; Massaviol Jonathan Brossard Nicolas
Source: Self-asserted source
Jonathan Brossard via HAL

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

2017-08-07 | Other
Contributors: Jonathan Brossard
Source: Self-asserted source
Jonathan Brossard via HAL

Silent Protest

Shakacon Conference 2017
2017-07 | Conference paper
URI:

https://hal.science/hal-04672190

Contributors: Brossard, Jonathan; Richard, Redditt
Source: Self-asserted source
Jonathan Brossard

Introduction to the Witchcraft Compiler Collection

BSides San Francisco 2017
2017-02 | Conference paper
URI:

https://hal.science/hal-04672184

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Introduction to the Witchcraft Compiler Collection

Intel Security Conference (iSec) 2016
2016-11 | Conference paper
URI:

https://hal.science/hal-04672164

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Introduction to the Witchcraft Compiler Collection

H2HC Conference 2016
2016-10 | Conference paper
URI:

https://hal.science/hal-04683044

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Introduction to the Witchcraft Compiler Collection

DEFCON 24
2016-08 | Conference paper
URI:

https://hal.science/hal-04672222

URI:

https://hal.science/hal-04672194

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard
grade
Preferred source (of 2)‎

Hardware Backdooring is Practical

Shakacon Conference 2015
2015-08 | Conference paper
URI:

https://hal.science/hal-04683043

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Filecry : the new age of XXE

Blackhat USA
2015-07 | Conference paper
URI:

https://hal.science/hal-04606161

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

SMB : Sharing more than your files...

Blackhat USA
2015-07 | Conference paper
URI:

https://hal.science/hal-04606162

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

XXE defence(les)s in JDK XML parsers

Blackhat USA
2015-07 | Conference paper
URI:

https://hal.science/hal-04606163

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Dispositif et un procédé de protection contre la rétro conception

2014-03-05 | Patent
Contributors: Jonathan Brossard
Source: Self-asserted source
Jonathan Brossard via HAL

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

RUXCON Conference 2013
2013-10 | Conference paper
URI:

https://hal.science/hal-04672179

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard
grade
Preferred source (of 2)‎

Sandboxing is (the) shit !

Hackers to Hackers Conference (H2HC) 2013
2013-10 | Conference paper
URI:

https://hal.science/hal-04672191

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Katsuni理论介绍以及在沙盒和软件仿真方面的应用

Syscan 360 2013
2013-09 | Conference paper
URI:

https://hal.science/hal-04672160

URI:

https://hal.science/hal-04672159

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard
grade
Preferred source (of 2)‎

Hardware Backdooring is Practical

AusCERT
2013-05 | Conference paper
URI:

https://hal.science/hal-04672157

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Hardware Backdooring is Practical

Intel Security Conference (iSec) 2012
2012-11 | Conference paper
URI:

https://hal.science/hal-04672162

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Hardware Backdooring is Practical

Nullcon Conference 2012
2012-11 | Conference paper
URI:

https://hal.science/hal-04672221

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Hardware Backdooring is practical

RUXCON Conference 2012
2012-10 | Conference paper
URI:

https://hal.science/hal-04672174

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Hardware Backdooring is practical

DEFCON 20
2012-07 | Conference paper
URI:

https://hal.science/hal-04672219

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard
grade
Preferred source (of 2)‎

Hardware Backdooring is Practical

Blackhat USA
2012-07 | Conference paper
URI:

https://hal.science/hal-04672223

URI:

https://hal.science/hal-04606160

URI:

https://hal.science/hal-04672193

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard
grade
Preferred source (of 3)‎

Proprietary Protocols RCE : Research leads

RUXCON Conference Sydney Monthly 2012
2012-07 | Conference paper
URI:

https://hal.science/hal-04672180

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Hardware Backdooring is Practical

No Such Conference 2012
2012-04 | Conference paper
URI:

https://hal.science/hal-04672197

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Post Memory Corruption Memory Analysis

Chaos Communication Congress 2012
2012-01 | Conference paper
URI:

https://hal.science/hal-04672183

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Post Memory Corruption Memory Analysis

Kiwicon New Zealand 2011
2011-11 | Conference paper
URI:

https://hal.science/hal-04672171

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Post Memory Corruption Memory Analysis

RUXCON Conference 2011
2011-11 | Conference paper
URI:

https://hal.science/hal-04672169

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Beyond Fuzzing : Exploit Automation with PMCMA

2011-10 | Report
URI:

https://hal.science/hal-04676819

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Post Memory Corruption Memory Analysis

HITB Conference Kuala-Lumpur 2011
2011-10 | Conference paper
URI:

https://hal.science/hal-04672224

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Post Memory Corruption Memory Analysis

Blackhat USA
2011-07 | Conference paper
URI:

https://hal.science/hal-04606158

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard
grade
Preferred source (of 2)‎

Breaking virtualization by switching the cpu to virtual 8086 mode

RUXCON Conference 2010
2010-12 | Conference paper
URI:

https://hal.science/hal-04672166

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Generic exploitation of invalid memory writes

Hackers to Hackers Conference (H2HC) 2010
2010-12 | Conference paper
URI:

https://hal.science/hal-04672187

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Breaking virtualization by any means

HITB Conference Kuala-Lumpur 2010
2010-10 | Conference paper
URI:

https://hal.science/hal-04672212

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Breaking Virtualization by switching to Virtual 8086 mode.

HITB Conference Amsterdam 2010
2010-06 | Conference paper
URI:

https://hal.science/hal-04672186

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Breaking Virtualization by switching the CPU to 8086 mode

HITB Conference Kuala-Lumpur 2010
2010-05 | Conference paper
URI:

https://hal.science/hal-04672196

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Breaking Virtualization by switching the CPU to 8086 mode

Hackito Ergo Sum 2010
2010-04 | Conference paper
URI:

https://hal.science/hal-04672229

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

PreBoot Authentication Password Cracking on a budget

Hackers to Hackers Conference (H2HC) 2009
2009-12 | Conference paper
URI:

https://hal.science/hal-04672173

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Zero crypto attacks against preboot authentication passwords

Telecomix Conference 2009
2009-06 | Conference paper
URI:

https://hal.science/hal-04672176

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

Reverse Engineering for exploit writers

ClubHack
2008-12 | Conference paper
URI:

https://hal.science/hal-04672158

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard

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

DEFCON 16
2008-07 | Conference paper
URI:

https://hal.science/hal-04606157

URI:

https://hal.science/hal-04606156

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard
grade
Preferred source (of 2)‎

BIOS Information Leakage

2005-12 | Other
URI:

https://hal.science/hal-04676820

Contributors: Brossard, Jonathan
Source: Self-asserted source
Jonathan Brossard