John Requejo López

· Orio, Basque Country, Spain 20810 ·

Security engineer with more than 3 years of experience in the threat intelligence and deception field. I have good skills to develop automation tools that help me in my daily tasks. I move around underground forums with the objective of researching new threat actors’ campaigns like phishing and malware binaries.

I am a highly organized and detail-oriented professional that collects, analyzes, and interprets data to provide actionable intelligence. Proven success in developing and implementing strategic deception/intelligence plans to support law enforcement initiatives. Skilled in using various intelligence tools and software to analyze data and interpret intelligence findings. Strong analytical, problem-solving and development skills, combined with excellent written and verbal communication skills.

Specialities: CTI Researcher, malware analysis, Underground forums, Event Query Language (EQL), Data Analysis, Python, Cyber deception, Malware reversing, Python automation tasks.


Incident and Response Analyst - Cybersecurity Engineer

November 2023 - ...

Integration/Operations Engineer - Cybersecurity Researcher

February 2021 - November 2023

Computer systems & Network administrator - DevOPS

Grupo Sabico

Computer support technician at Grupo Sabico.

I managed the VMWare hypervisor where the different types of servers of the company and the virtual desktops of the workers were hosted.

I was also working with the good practices (ISO27002) to obtain the ISO27001 certification.

February 2020 - February 2021

Telephone operator


Telephone operator in the Euskaltel customer service department.

May 2019 - June 2019


Decathlon España

Personal advising and Sport seller of the Ciclyn section.

October 2018 - May 2019


Decathlon España

Cashing and elaboration of invoising.

October 2018 - May 2019

Telecommunications technician


Technical installer of fiber, configuration of routers, switch and switchboards of IP phones.

March 2018 - June 2018


Master on Cybersecurity

IES Xabier Zubiri Manteo BHI

September 2020 - February 2021

Cybersecurity, Ethical Hacking

AEG Escuela de innovación profesional

June 2020 - October 2020

Network Systems Administration

Higher education vocational course
IES Xabier Zubiri Manteo BHI

September 2018 - May 2020

Micro Informatics Systems and Networks

Vocational education and training course
IES Xabier Zubiri Manteo BHI

September 2016 - June 2018


Programming languages & Operating systems
  • Basque
  • Spanish
  • English

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