Bartosz Czaszyński
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Bartosz Czaszyński Email & Phone Number

Cyber Security Specialist at LeasePlan Nederland
Location: Rotterdam, South Holland, Netherlands 6 work roles 2 schools
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✓ Verified August 2026 3 data sources Profile completeness 100%

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Current company
Role
Cyber Security Specialist
Location
Rotterdam, South Holland, Netherlands
Company size

Who is Bartosz Czaszyński? Overview

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Quick answer

Bartosz Czaszyński is listed as Cyber Security Specialist at LeasePlan Nederland, a with 512 employees, based in Rotterdam, South Holland, Netherlands. AeroLeads shows a matched LinkedIn profile for Bartosz Czaszyński.

Bartosz Czaszyński previously worked as Cyber Security Consultant at Deloitte Nederland and Working Student at Deloitte Nederland. Bartosz Czaszyński holds Master'S Degree, Computer Science from Delft University Of Technology.

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Email format at LeasePlan Nederland

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LeasePlan Nederland

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Profile bio

About Bartosz Czaszyński

Curious guy with a passion for understanding how things work.

Listed skills include Java, C#, Python, Machine Learning, and 11 others.

Current workplace

Bartosz Czaszyński's current company

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LeasePlan Nederland
Leaseplan Nederland
Cyber Security Specialist
almere, flevoland, netherlands
Website
Employees
512
AeroLeads page
6 roles

Bartosz Czaszyński work experience

A career timeline built from the work history available for this profile.

Cyber Security Specialist

Current

Amsterdam, North Holland, Netherlands

I work as a Cybersecurity Specialist in the internal Global Offensive Cybersecurity Team. The main focus of my work is execution of penetration testing engagements on a variety of internal and external assets. These include infrastructure components, web applications, cloud deployments, as well as source code and configuration review from a security perspective. My role involves assessing the security posture of systems and applications, detecting potential threats, and providing recommendations for remediation.Key Responsibilities• Conduct penetration testing and vulnerability assessments to identify security weaknesses in systems and applications• Perform source code reviews to detect security flaws and provide recommendations for remediation• Develop and maintain a comprehensive understanding of threat landscapes, attack vectors, and emerging security trends• Collaborate with development teams to implement secure coding practices and ensure compliance with security standards• Analyze and report on security incidents, providing recommendations for incident response and remediation• Stay up-to-date with industry developments and emerging threats, applying this knowledge to improve our security postureSkills and Expertise:• Penetration testing and vulnerability assessment• Source code review and secure coding practices• Threat modeling and risk assessment• Security testing tools and technologies• Programming languages• Analytical and problem-solving skills, with the ability to communicate complex technical issues effectively

May 2022 - Present

Cyber Security Consultant

Amsterdam, North Holland, Netherlands

Mainly involved with penetration testing and offensive security, as well as source code review. Further work on post-quantum cryptography, environment assessments and transformation planning.

Mar 2019 - Apr 2022

Working Student

Amsterdam, North Holland, Netherlands

Research into post-quantum cryptography and ongoing NIST standardization process. Evaluation of performance impact in comparison to currently used cryptographic algorithms. Creation of cryptographic assessment framework aimed at defining preparatory actions necessary toward introduction of cryptographic agility and change to the upcoming cryptographic standard.

Sep 2018 - Mar 2019

Internship At Cyber Risk Advisory

Amsterdam Area, Netherlands

Master thesis internship on implementing a fully homomorphic multi-biometric recognition system for automated border control.

Oct 2017 - Sep 2018

Junior Software Developer

Bluepond International (Currently Anothermonday)

Bonn Area, Germany

- Design and implementation of protocols for secure communication between a mobile device and a database.- Implementation of a network bridge for layered separation of database access.- Development of software robots for automation of business logic processes.- Research of techniques for GUI decomposition and classification of its elements for automation purposes.

Mar 2016 - Dec 2016
Team & coworkers

Colleagues at LeasePlan Nederland

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2 education records

Bartosz Czaszyński education

Master'S Degree, Computer Science

Activities and Societies: Faculty Student Council, Extracurricular Hacking Group, Drumming lessonsMy Master Studies marked a turning point.

FAQ

Frequently asked questions about Bartosz Czaszyński

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

What company does Bartosz Czaszyński work for?

Bartosz Czaszyński works for LeasePlan Nederland.

What is Bartosz Czaszyński's role at LeasePlan Nederland?

Bartosz Czaszyński is listed as Cyber Security Specialist at LeasePlan Nederland.

Where is Bartosz Czaszyński based?

Bartosz Czaszyński is based in Rotterdam, South Holland, Netherlands while working with LeasePlan Nederland.

What companies has Bartosz Czaszyński worked for?

Bartosz Czaszyński has worked for Leaseplan Nederland, Deloitte Nederland, Delft University Of Technology, and Bluepond International (Currently Anothermonday).

Who are Bartosz Czaszyński's colleagues at LeasePlan Nederland?

Bartosz Czaszyński's colleagues at LeasePlan Nederland include Reza Dilrosun, Daan Bisseling, Peter Verkerk, Inge Zeegers, and Rewien Ramjiawan.

How can I contact Bartosz Czaszyński?

You can use AeroLeads to view verified contact signals for Bartosz Czaszyński at LeasePlan Nederland, including work email, phone, and LinkedIn data when available.

What schools did Bartosz Czaszyński attend?

Bartosz Czaszyński holds Master'S Degree, Computer Science from Delft University Of Technology.

What skills is Bartosz Czaszyński known for?

Bartosz Czaszyński is listed with skills including Java, C#, Python, Machine Learning, Cryptography, Network Security, C++, and Matlab.

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