🔒Jean Lejeune🔒

🔒Jean Lejeune🔒 Email and Phone Number

CEO - Cybersecurity Contractor @ ParanoiHack SàRL
Geneva, GE, CH
🔒Jean Lejeune🔒's Location
Geneva Metropolitan Area, Switzerland, Switzerland
🔒Jean Lejeune🔒's Contact Details

🔒Jean Lejeune🔒 work email

🔒Jean Lejeune🔒 personal email

n/a
About 🔒Jean Lejeune🔒

Dear visitor,If you ended up reading this, you may be looking for a cybersecurity expert to support your company and/or customer.After many years in the pentesting industry, Jean Lejeune decided to narrow down his expertise in the application security field.Application security is an underestimate concept, allowing producing robust applications by preventing, as early as possible during the development life cycle, attack vectors. This can be achieved through various processes that could be implemented in regard of your internal constraints and strategies.To guide you along on your application security journey, Jean Lejeune is providing dedicated services leveraging world-renowned audit standards and methodologies. From the definition, to the integration and the operation of an Appsec assurance program, Jean Lejeune is helping companies ramping up their application security level by providing an understandable framework and processes to kick off their application security journey.For further information about Jean Lejeune's services: https://paranoihack.com/?language=enKind Regards,ParanoiHack's CEODo not contact me if you are:- Recruiting for an internal position- Looking for a developer- Looking for a SOC analyst- Not aware of the engagement's description you are recruiting for

🔒Jean Lejeune🔒's Current Company Details
ParanoiHack SàRL

Paranoihack Sàrl

View
CEO - Cybersecurity Contractor
Geneva, GE, CH
Website:
paranoihack.ch
Employees:
1
🔒Jean Lejeune🔒 Work Experience Details
  • Paranoihack Sàrl
    Ceo - Cybersecurity Contractor
    Paranoihack Sàrl
    Geneva, Ge, Ch
  • Elixir Health
    Spv Chairman
    Elixir Health Aug 2023 - Present
  • Paranoihack Sàrl
    Ceo - Cybersecurity Contractor
    Paranoihack Sàrl Jan 2022 - Present
  • Lombard Odier Group
    Head Of Application Security
    Lombard Odier Group Sep 2020 - Nov 2021
    Geneva, Ch
    As Head of Application Security, I was tasked to define and enforce an application security assurance program.☛ Application security governance☛ SSDLC implementation (SAST/DAST)☛ Metrics monitoring (KRIs/KPIs)☛ Security champions community☛ Internal secure coding training☛ Application security awareness program
  • Lombard Odier Group
    Application Security Engineer
    Lombard Odier Group Jan 2020 - Nov 2021
    Geneva, Ch
    ☛ Appsec internal consultancy (secure software architecture - design)☛ Network security design☛ Cybersecurity assessments☛ Threat modeling (STRIDE)☛ Code review☛ Various internal developments☛ SAST fine tuning
  • Immunit Sàrl
    Project Manager
    Immunit Sàrl Feb 2019 - Nov 2019
    Nyon, Vaud, Ch
    I managed engagements from pre-sales to delivery for various IT services.☛ Social engineering (Phishing, Vishing, Smishing)☛ Secure coding (Java, PHP, .Net, etc)☛ Penetration testing
  • Immunit Sàrl
    Pentester
    Immunit Sàrl Jan 2018 - Nov 2019
    Nyon, Vaud, Ch
    I worked as a cybersecurity engineer and performed, from the kick-off to the report delivery, on various kinds of engagements approaching any aspects of IT security.☛Web application☛Workstation ☛Infrastructure (segregation, segmentation, NAC, etc)☛Desktop application☛Wifi network☛Code review☛Social engineering (phishing, vishing, smishing)☛Secure coding☛Vulnerability researchUpstream my pentester position, I also worked on internal projects where I developed and dockerized an ERP whose aim was to manage clients' security equipment as well as clients' time balance. By the same token, I also revamped the whole phishing platform, allowing to seamlessly deploy phishing campaigns. Finally, I published a few open-source tools on the ImmunIT's Github for the sake of our security audits. Some side-projects are also been developed by myself but not disclosed such as a reconnaissance framework and an API enumeration tool.
  • Bssi Conseil & Audit
    Course Instructor
    Bssi Conseil & Audit 2017 - Dec 2017
    Paris, ÃŽle-De-France, Fr
    ☛ System hacking☛ Session hijacking☛ Python
  • Bssi Conseil & Audit
    Pentester
    Bssi Conseil & Audit Sep 2016 - Dec 2017
    Paris, ÃŽle-De-France, Fr
    I was integrated within the pentesting team and participated to multiple pentestings approaching many aspects of this area e.g. System, web application, mail server, cryptography, etc. Moreover, I was commissioned to work on the management of an internal project and its structural aspect. Lastly, I put in place several tools whose aim were to improve the efficiency and productivity of the company.☛ Go, Pentest, Red Team, Reverse Engineering, OSS, Scrum methodology
  • Etix Everywhere
    Software Developer
    Etix Everywhere Apr 2015 - Aug 2015
    Saint-Herblain, Pays De La Loire, Fr
    Development of a software used to control the building access according to several authentication methods (QRCode, LDAP, …). Moreover, a VOIP system has been implemented in order to assist the user in case of problem.☛ C++, NodeJS, YII2, docker, Sofia SIP, protocol and video codecs, Scrum methodology
  • Epitech
    [Aer] Teaching Assistant
    Epitech Feb 2014 - Aug 2014
    Le Kremlin-Bicêtre, Ile-De-France, Fr
    I worked for my school, Epitech, as a teaching assistant alongside my studies. This job consisted of giving technical courses in C, SQL, and Unix system programming. I helped students on their projects by answering questions and challenging them to go above and beyond the provided guidelines. Additionally I assessed their work once completed, invigilating exams and setting up conferences.☛ C/C++, Unix system programming support (pipes, TTY, ELF, Processus, Threads, Mutex, Semaphores, sockets), SQL, pedagogy, methodology, organization, supervisor
  • Reymann Communication
    Developer
    Reymann Communication Jul 2013 - Dec 2013
    Paris & Strasbourg, Fr
    During this job, I had to create and maintain several websites.Additionally, I learned AppleScript and 4D programming to help the secretary's work with a new software to automatic seized.☛ PHP, HTML / CSS, SQL, 4D, AppleScript, Web services, ...
  • E-Making
    Founder
    E-Making Nov 2012 - Sep 2013
    Creation of my own company, specialized on website creation.☛ Entrepreneurship, self learner, proactive
  • Hewlett-Packard
    Seller
    Hewlett-Packard Sep 2011 - Oct 2012
    Houston, Texas, Us
    In charge of the HP product selling in various selling point. Goals reached : 100%.☛ Business, customer relation, selling techniques

🔒Jean Lejeune🔒 Skills

C Assembly Language Cryptography Algorithms C++ Web Security Team Leadership Reverse Engineering Project Management Steganography Php Git Shell Scripting Linux Mac Os Windows Mysql Sql Java Node.js Python Perl Norme Pcidss Golang Owasp Elf

🔒Jean Lejeune🔒 Education Details

  • University Of Kent
    University Of Kent
    Master Of Science (Msc) - Computer Security
  • Epitech - European Institute Of Technology
    Epitech - European Institute Of Technology
    Master'S Degree
  • Hec Paris
    Hec Paris
    Entrepreneurship
  • Lycée Kleber
    Lycée Kleber
    Baccalauréat

Frequently Asked Questions about 🔒Jean Lejeune🔒

What company does 🔒Jean Lejeune🔒 work for?

🔒Jean Lejeune🔒 works for Paranoihack Sàrl

What is 🔒Jean Lejeune🔒's role at the current company?

🔒Jean Lejeune🔒's current role is CEO - Cybersecurity Contractor.

What is 🔒Jean Lejeune🔒's email address?

🔒Jean Lejeune🔒's email address is j.****@****ier.com

What schools did 🔒Jean Lejeune🔒 attend?

🔒Jean Lejeune🔒 attended University Of Kent, Epitech - European Institute Of Technology, Hec Paris, Lycée Kleber.

What are some of 🔒Jean Lejeune🔒's interests?

🔒Jean Lejeune🔒 has interest in Computer Security, Boxing, Scuba Diving, Running, Swimming.

What skills is 🔒Jean Lejeune🔒 known for?

🔒Jean Lejeune🔒 has skills like C, Assembly Language, Cryptography, Algorithms, C++, Web Security, Team Leadership, Reverse Engineering, Project Management, Steganography, Php, Git.

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