Arun Kumar

Arun Kumar: Email & Phone Number

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Security Researcher at HackerOne|Hamirpur, Himachal Pradesh, India

Position:

Security Researcher at HackerOne

Location:

Hamirpur, Himachal Pradesh, India

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Last updated: 2026-08-12
Updated: 2026-08-12

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Work Experience 2 years

Security Researcher at HackerOne

Mar 2025 - Current

Cybersecurity Learner at TryHackMe

Nov 2024 - Current

Cybersecurity Intern at ShadowFox

Mar 2026 - Apr 2026

CTF Developer Intern at Razz Security

Sep 2025 - Dec 2025

Cybersecurity Intern at Redynox

Aug 2025 - Oct 2025

Python Development Intern at Main Flow Services and Technologies Pvt. Ltd.

Jul 2025 - Aug 2025

Arun Kumar started working in 2024, then the employee has changed 5 companies and 4 jobs. On average, Arun Kumar works for one company for 8 months.

Their professional focus is Active Directory, API Testing, and Artificial Intelligence (AI) across 3 core areas.

Arun holds 90+WPM Typing Speed Certification, Claude 101 Certification, and CSEDP Certification certifications.

Education

Bachelor of Technology at Himachal Pradesh Technical University (HPTU)

Senior Secondary School Education (9th to 12th Grade) at Shiva International School, Ghumarvin

Secondary School Education (7th & 8th Grade) at Army Public School, Jalandhar Cantt

Primary School Education (4th to 6th Grade) at Army Public School Dighi

Primary School Education (1st to 3rd Grade) at DAV Public School, Narwana Yol Camp

Arun Kumar Namesakes

Name
Company
Position
arun kumar
Testing Engineer
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arun kumar
arima solutions
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Arun Kumar
Account Manager
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