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Karim Elsayed Email & Phone Number

Cybersecurity Engineer at HackerOne

Location: Qesm El Moqatam, Cairo, Egypt 2 work roles 1 school

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✓ Verified August 2026 3 data sources Profile completeness 86%

Current company

HackerOne

Role

Cybersecurity Engineer

Location

Qesm El Moqatam, Cairo, Egypt

Company size

1797 employees

Who is Karim Elsayed? Overview

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Quick answer

Karim Elsayed is listed as Cybersecurity Engineer at HackerOne, a with 1797 employees, based in Qesm El Moqatam, Cairo, Egypt. AeroLeads shows a matched LinkedIn profile for Karim Elsayed.

Karim Elsayed previously worked as Bug Bounty Hunter at Hackerone and Junior Cybersecurity Engineer‎‏ at We Innovate. Karim Elsayed holds Bachelor'S Degree, Computer Science, B+ from Ain Shams University.

Company email context

Email format at HackerOne

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HackerOne

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Profile bio

About Karim Elsayed

As a computer science specialist with a passion for cybersecurity, I possess a wide range of technical skills and knowledge that make me a valuable asset in any team or organization. With a Bachelor's degree in Computer Science from Ain-Shams University and certifications in eJPT, eWPT, and TCM Practical Web Application Security & Testing, I have developed a deep understanding of programming languages, databases, algorithms, software engineering, and cybersecurity concepts.In addition to my technical skills, I have extensive experience in network and web penetration testing, vulnerability scanning, bug bounty hunting methodology, and REST API pentesting with Postman + Burp Suite. I am also well-versed in understanding and exploiting common web vulnerabilities, such as OWASP Top 10, File Inclusion/Path Traversal Attacks, SSRF, File Upload, and RCE.With strong problem-solving skills and a determination never to give up, I am committed to constantly expanding my knowledge and staying up-to-date with the latest trends and advancements in cybersecurity and computer science. Whether working independently or as part of a team, I bring critical thinking skills, strong work ethic, time management abilities, and a commitment to excellence that ensures success on every project.

Current workplace

Karim Elsayed's current company

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Hackerone

Cybersecurity Engineer

san francisco, california, united states

Website

hackerone.com

Employees

1797

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Company profile

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2 roles

Karim Elsayed work experience

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Bug Bounty Hunter

Current

Hackerone

Dec 2022 - Present

Junior Cybersecurity Engineer‎‏

We Innovate

Giza, Al Jizah, Egypt

WE INNOVATE offers a security training program with four tracks: offensive security, cyber defense, GRC (governance, risk, and compliance), and telecom security. I chose the offensive security track.The offensive security training program is designed to teach individuals and teams the skills and techniques necessary to identify and exploit vulnerabilities within an organization's network and systems. This helps to reduce the risk of a cyberattack. With the ever-increasing and evolving threat of cyberattacks, it is more important than ever to have professionals who can think and act like cybercriminals in order to protect organizations from them.From introductory courses to advanced certification exams, there are a variety of offensive security training options available to help individuals and organizations gain the knowledge and skills they need to stay ahead of modern cyber threats. Whether you are just starting out or looking to enhance your existing cybersecurity knowledge, an offensive security training program can provide you with the resources necessary to succeed in this fast-paced and critical field.

Nov 2023 - Jan 2024

Team & coworkers

Colleagues at HackerOne

Other employees you can reach at hackerone.com. View company contacts for 1797 employees →

AA

Ahmet Aydın Colleague at HackeroneTürkiye, Turkey View → KA

Khanan Ali Colleague at HackeronePakistan View → RS

Reggie Swick Colleague at HackeroneDebary, Florida, United States View → AM

Abdul Mazid Colleague at HackeroneFaridabad, Haryana, India View → AL

Andrew Little Colleague at HackeroneNew York City Metropolitan Area, United States View → CL

Chetan Lakhara Colleague at HackeroneNagaur, Rajasthan, India View → AH

Azer Hedi Colleague at HackeroneSousse, Tunisia View → KO

Kehinde Olamide Colleague at HackeroneLagos, Lagos State, Nigeria View → PK

Palaparthi Karthik Colleague at HackeroneChirala, Andhra Pradesh, India View → JO

Joshua Osabel Colleague at HackeroneTagbilaran, Central Visayas, Philippines View →

1 education record

Karim Elsayed education

Ain Shams University

B+

FAQ

Frequently asked questions about Karim Elsayed

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

What company does Karim Elsayed work for?

Karim Elsayed works for HackerOne.

What is Karim Elsayed's role at HackerOne?

Karim Elsayed is listed as Cybersecurity Engineer at HackerOne.

Where is Karim Elsayed based?

Karim Elsayed is based in Qesm El Moqatam, Cairo, Egypt while working with HackerOne.

What companies has Karim Elsayed worked for?

Karim Elsayed has worked for Hackerone and We Innovate.

Who are Karim Elsayed's colleagues at HackerOne?

Karim Elsayed's colleagues at HackerOne include Ahmet Aydın, Khanan Ali, Reggie Swick, Abdul Mazid, and Andrew Little.

How can I contact Karim Elsayed?

You can use AeroLeads to view verified contact signals for Karim Elsayed at HackerOne, including work email, phone, and LinkedIn data when available.

What schools did Karim Elsayed attend?

Karim Elsayed holds Bachelor'S Degree, Computer Science, B+ from Ain Shams University.

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