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Julien CharbonnelJC

Julien Charbonnel

Cybersecurity Expert

€900/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Julien

Looking for a cybersecurity expert to strengthen your company's IT security? Seeking to enhance the security of your applications, websites, and IT infrastructure?

You've come to the right place.

With 5 years of experience in cybersecurity, I can assist you in all stages of the process, from vulnerability analysis to implementing robust security solutions.

I can help you with:

- Risk analysis and security strategy design.
- Securing your IT tools and infrastructure.
- Secure development of your applications, focusing on security at both the front-end and back-end levels.

My goal is to provide you with effective cybersecurity solutions to ensure the protection of your sensitive data and guarantee a secure user experience.

If you are interested in my cybersecurity expertise, do not hesitate to contact me. We can discuss your security needs and see how I can contribute to strengthening the protection of your systems.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Ministère des Armées
    Cybersecurity Expert
    TECH
    January 2023 - February 2024 (1 year and 1 month)
    Paris, France
    1. **Threat Monitoring and Detection**:
    - Continuously monitor ministry systems and networks to detect threats and suspicious activities.
    - Utilize advanced monitoring tools (SIEM) to identify and analyze security incidents.

    2. **Security Incident Management**:
    - Respond rapidly to security incidents following established protocols.
    - Analyze incidents, isolate affected systems, and take remediation measures to restore security.
    - Document incidents and responses in detailed reports to improve future incident responses.

    3. **Protection of Classified Systems**:
    - Implement and manage specific security measures to protect classified information.
    - Ensure systems and networks comply with national and international security standards.

    4. **Risk and Vulnerability Assessment**:
    - Conduct regular risk assessments and vulnerability analyses on critical systems and infrastructures.
    - Use vulnerability scanning tools to identify potential flaws and recommend corrective actions.

    5. **Network and Infrastructure Security**:
    - Implement and manage security devices such as firewalls, IDS/IPS, and network access control solutions.
    - Implement security protocols to protect sensitive communications (encryption, VPN).

    6. **Development and Implementation of Security Policies**:
    - Develop, update, and enforce ministry security policies, standards, and procedures.
    Cybersecurity Network Security IT Security
  • BVA
    Cybersecurity Expert
    RESEARCH
    February 2024 - July 2024 (6 months)
    Paris, France
    1. **Risk and Vulnerability Analysis**:
    - Conduct regular security risk assessments and vulnerability analyses on the company's systems and networks.
    - Use vulnerability scanning tools (Nessus, OpenVAS) to identify potential weaknesses.

    2. **Penetration Testing (Pentesting)**:
    - Plan and execute penetration tests to assess the resilience of systems and applications against external and internal attacks.
    - Write detailed reports on findings and provide recommendations for risk mitigation.

    3. **Security Incident Management**:
    - Monitor security systems to detect incidents and anomalies.
    - Respond rapidly to security incidents by analyzing causes, containing threats, and remediating detected vulnerabilities.
    - Document incidents and responses in post-incident reports.

    4. **Implementation of Security Policies and Procedures**:
    - Develop and update information security policies, standards, and procedures.
    - Ensure security practices comply with industry regulations and standards (ISO 27001, GDPR).

    5. **System and Network Security**:
    - Configure and manage security devices such as firewalls, IDS/IPS systems, and VPNs.
    - Implement security measures to protect internal networks against intrusions and DDoS attacks.

    6. **Application Security**:
    - Collaborate with development teams to integrate best security practices into the software development lifecycle (Secure SDLC).
    - Perform code reviews and security analyses to identify and fix vulnerabilities.
    Cybersecurity

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Education

  • Cybersecurity Bachelor
    IUT Fontainebleau
    2023
    Sécurité des infrastructures IT des entreprises.

Skill set (49)

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