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Misael Aranda TéllezMA

Misael Aranda Téllez

Malt Linker

Cybersecurity Analyst

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

Average response time: 1 hour

Freelancer profile translated to English.
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About Misael

Extensive experience in the field of cybersecurity. For years I have worked in the defensive sector of information security (Blue Team), in vulnerability detection (Threat Hunter) and as a cybersecurity manager.

These are some of the tasks I have successfully performed:

• Training.
• 24/7 monitoring and incident response services.
• Threat analysis and countermeasure implementation.
• Security audits to detect vulnerabilities.
• Phishing audits.
• Management of next-generation antimalware systems.
• Backup system management.
• Data recovery.
• Breach detection.
  • Spanish

    Native or bilingual

  • Catalan

    Native or bilingual

  • English

    Conversational

Can work on-site
Barcelona (up to 50km)

Experience

  • Cybersecurity Friends Company
    Founder of Cybersecurity Friends Company
    December 2024 - Today (1 year and 8 months)
    Vilafranca del Penedès, CT, Spain
    I run a cybersecurity company. Our goal is to protect systems and data against technical failures, human errors, sabotage, and cyberattacks. All our services are aimed at achieving this goal. Among the most notable services is training. We offer tailor-made training, adapted to the students' level and aligned with the company's objectives. It can be in-person or remote.

    More information about this and other services at
    Pentesting security-awareness-training Audits cybersecurity-incident-management risk-and-vulnerability-assessment
  • Axpe Consulting
    Cybersecurity Manager/Analyst at Arag.
    October 2023 - July 2024 (9 months)
    Barcelona, Spain
    • General supervision of the company's information security and cybersecurity.
    • Participation in the creation of security protocols and procedures.
    • Vulnerability searching and participation in their resolution.
    • Alert management.
    • Analysis of alerts to determine if it is a real threat.
    • Determination of the threat's scope.
    • Countermeasure implementation.
    • Suspicious email analysis.
    • Network traffic analysis.
    • Malware analysis.
    • IOC detection and blocking.
    • Use of various perimeter protection tools (firewalls, IDS, IPS, EDR, antivirus, proxy, SIEM, etc.).
    • Network scanning with NMAP-type tools.
    • Communication and coordination with affected organizations or departments.
    • Documentation of alerts, threats, and measures taken.
  • Grupo SIA
    Cybersecurity Analyst for clients like Correos and Junta de Andalucía.
    November 2021 - October 2023 (1 year and 11 months)
    Barcelona, Spain
    • Alert management.
    • Analysis of alerts to determine if it is a real threat.
    • Determination of the threat's scope.
    • Countermeasure implementation.
    • Suspicious email analysis.
    • Network traffic analysis.
    • Malware analysis.
    • IOC detection and blocking.
    • Use of various perimeter protection tools (firewalls, IDS, IPS, EDR, antivirus, proxy, SIEM, etc.).
    • Network scanning with NMAP-type tools.
    • Communication and coordination with affected organizations or departments.
    • Documentation of alerts, threats, and measures taken.

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Education

  • Master's degree in Information Security
    Udima University
    2020
    Máster de seguridad informática
  • Ethical Hacking Foundation Certification, Information and Systems Security
    EXIN
    2022
    Certificación Ethical Hacking Foundation, Seguridad informática y de sistemas

Skill set

Categories