Peter Fejér
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Peter Fejér Email & Phone Number

Freelance Security Expert and Founder at RedCocoon
Location: Amsterdam, North Holland, Netherlands 6 work roles 1 school
1 work email found @deloitte.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email p****@deloitte.com
LinkedIn Profile matched
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Current company
RedCocoon
Role
Freelance Security Expert and Founder
Location
Amsterdam, North Holland, Netherlands

Who is Peter Fejér? Overview

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Quick answer

Peter Fejér is listed as Freelance Security Expert and Founder at RedCocoon, based in Amsterdam, North Holland, Netherlands. AeroLeads shows a work email signal at deloitte.com and a matched LinkedIn profile for Peter Fejér.

Peter Fejér previously worked as Senior Red Team Operator at Deloitte and Senior Security Specialist at Secura. Peter Fejér holds Bachelor Of Science (Bsc), Computer Engineering from Budapest University Of Technology And Economics.

Company email context

Email format at RedCocoon

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*@deloitte.com
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Profile bio

About Peter Fejér

I have over 9 years of IT Security experience - performing web and binary application testing as well as infrastructure level testing and red teaming for clients in different sectors.Over the last 4 years I have been exclusively part of internal Red Teams performing end-to-end engagements with a special focus on malware development and operations. I continue to pursue industry-leading certifications (OSCE³ | OSCP | CRTP | CRTAP) and I'm passionate about security and development and will take the initiative to implement new processes or tooling.

Listed skills include Scripting, Information Security, Programming, Networking, and 1 others.

Current workplace

Peter Fejér's current company

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RedCocoon
Redcocoon
Freelance Security Expert and Founder
Amsterdam, NH, NL
6 roles

Peter Fejér work experience

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Freelance Security Expert And Founder

Redcocoon

Amsterdam, NH, NL

Senior Red Team Operator

Amsterdam, North Holland, Netherlands

Part of the Deloitte Global Red Team, tasked with challenging the security of Deloitte through Red Team exercises. For all campaigns, the focus is on providing actionable results that allow for remediation plans to be formed on a global scale and to further increase the resilience and security posture of the company.

Aug 2021 - 2024

Senior Security Specialist

Amsterdam, North Holland, Netherlands

Working as a technical expert on internal penetration tests, red teaming aswell as web and API application assessments. Application assessments were primarily carried out in a white-box manner. Leading a small team where my main function was to provide mentoring in technical questions as well as manage career development.

Oct 2020 - Jul 2021

Technical Manager

Budapest

Leading advanced internal penetration tests, purple teams and complex assignments:- Scoping, planning and overseeing these assignments while providing a main point of contact for clients.- Conducting assignments as the technical lead on the project- Mentoring and teaching new team members- Reviewing reports from a technical and quality.

Aug 2019 - Sep 2020

Senior It Security Consultant

Budapest

Taking on Senior consultant responsibilities:- Defining the scope of upcoming projects- Keeping contact with clients during the project’s lifecycle- Mentoring junior co-workers- Leading penetration tests and coordinating colleagues on projects- Reviewing reports from a technical and quality standpointConducting IT Security projects including: - Testing.

Sep 2018 - Aug 2019

It Security Consultant

Conducting IT Security projects including: - Testing internal infrastructures and external infrastructures - Penetration testing web applications - Penetration testing binary applications (static and dynamic analysis) on C#.NET and Java applications- Phishing exercises (creating malicious attachments and URLs) and setting up environment for sending e-mails

Dec 2015 - Sep 2018
1 education record

Peter Fejér education

FAQ

Frequently asked questions about Peter Fejér

Quick answers generated from the profile data available on this page.

What company does Peter Fejér work for?

Peter Fejér works for RedCocoon.

What is Peter Fejér's role at RedCocoon?

Peter Fejér is listed as Freelance Security Expert and Founder at RedCocoon.

What is Peter Fejér's email address?

AeroLeads has found 1 work email signal at @deloitte.com for Peter Fejér at RedCocoon.

Where is Peter Fejér based?

Peter Fejér is based in Amsterdam, North Holland, Netherlands while working with RedCocoon.

What companies has Peter Fejér worked for?

Peter Fejér has worked for Redcocoon, Deloitte, and Secura.

How can I contact Peter Fejér?

You can use AeroLeads to view verified contact signals for Peter Fejér at RedCocoon, including work email, phone, and LinkedIn data when available.

What schools did Peter Fejér attend?

Peter Fejér holds Bachelor Of Science (Bsc), Computer Engineering from Budapest University Of Technology And Economics.

What skills is Peter Fejér known for?

Peter Fejér is listed with skills including Scripting, Information Security, Programming, Networking, and Network Security.

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