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Jonatan ZJZ

Jonatan Z

Ethical Hacking | Pentester | Cybersecurity

€400/day
1 project
Mataró, ES
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jonatan

I currently have 16 years in the IT sector, specializing in large infrastructures from different sectors, especially in the healthcare sector.

Additionally, I am also a freelancer offering cybersecurity, pentesting, and proactive security services.

Some of my freelance services are as follows:
- Penetration testing (Internal and External).
- Application auditing.
- Controlled Phishing campaigns.
- Proactive cybersecurity.
- Awareness systems.
- Backups
- Endpoint Security
- SIEM systems
  • Spanish

    Native or bilingual

  • Catalan

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • Freelance
    Cybersecurity
    April 2017 - Today (9 years and 2 months)
    Offering the following cybersecurity services as a freelancer:

    - Penetration testing (Internal and External).
    - Application auditing.
    - Controlled Phishing campaigns.
    - Proactive cybersecurity.
    - Awareness systems.
    - Backups
    - Endpoint Security
    - SIEM systems.
    Cybersecurity Pentesting PenTest SIEM EDR XDR Backups Backup Phishing Vulnerability Analysis Risk Management security strategy Compliance MDM Proactivity Proactive Proactive Awareness Monitoring
  • Confidencial (empresa de ciberseguridad)
    Cybersecurity
    CONSULTING AND AUDITS
    March 2017 - Today (9 years and 3 months)
    Barcelona, Spain
    Performing pentesting audits, penetration testing on web and critical infrastructures, phishing and awareness campaigns.

    Providing white-label service to clients of a cybersecurity company in Barcelona.

    The pentesting audits performed are for different sectors: healthcare, hotel tourism, fashion brands, public administration,...
    PenTest Pentesting vulnerabilities Cybersecurity SIEM XDR backup Phishing Awareness Vulnerability Analysis Risk Management Risks Proactivity
  • Confidencial (sector sanitario)
    Sysadmin and Cybersecurity
    PUBLIC SECTOR
    January 2009 - Today (17 years and 4 months)
    Barcelona, Spain
    - Member of the Cybersecurity Commission.
    - Performing security audits with pentesting methodologies.
    - Active prevention techniques
    - Incident response.
    - Sysadmin tasks.
    PenTest Pentesting Cybersecurity SIEM XDR vulnerabilities Phishing Sysadmin Network Administration Awareness

Reviews

5.0

Out of 1 rating

FernandoF

Fernando

Wellat Technologies

Reviewed on 10/17/2022

Jonatan is a great professional, the quality of the work has been outstanding and he has helped us improve the security of our systems. We will surely collaborate with him again.

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Education

  • CFGM Computer Systems Exploitation
    Escoles Freta
    2009
  • CPHE – Professional Ethical Hacking Course
    The Security Sentinel
    2017

Skill set

Categories