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Jasper BeachyJB
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Jasper Beachy

@jasper

Web application security | eJPT, HTB Skilled (Lvl 40) | I break the kind of apps I used to build

United States
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I'm a web application security tester with a developer's background, which means I understand how the apps I'm testing are actually built. I'm eJPT-certified and finishing Hack The Box's CWES, ranked Skilled on the platform, and working through the CPTS path alongside it.

Most of my hands-on work is in web exploitation, file upload attacks, and enumeration. For a mock engagement, I wrote the Artemis penetration test report, nine findings including SQL injection and broken access control, scored by CVSS with remediation steps and an executive summary. I also built Lethe, a Python engine that models real-world password attack patterns, as a way to understand credential attacks from the inside.

Before security, I worked as a front-end developer at Flywheel, building platform features in TypeScript and Angular. That background is a big part of why I'm drawn to breaking web apps now: I've been on the building side.

Experience

Work history, roles, and key accomplishments

FL

Front End Developer

Flywheel

Jan 2021 - Dec 2021 (11 months)

Integrated Monaco Code Editor into the platform, enhancing scientific document collaboration. Used TypeScript, Angular, and SCSS to improve performance and user experience.

Education

Degrees, certifications, and relevant coursework

Hack The Box Academy logoHA

Hack The Box Academy

HTB Certified Web Exploitation Specialist (CWES), Web Exploitation and Penetration Testing

2025 -

Currently progressing through the CWES and CPTS paths, with hands-on modules in web exploitation and enumeration.

INE logoIN

INE

eJPT v2, Penetration Testing

2023 - 2024

Completed hands-on labs in web exploitation and enumeration, culminating in the eJPT v2 certification.

Google logoGO

Google

Google IT Support Professional Certificate, IT Support

Earned the Google IT Support Professional Certificate in 2023.

Springboard logoSP

Springboard

Cyber Security Fellow, Cyber Security

2021 - 2022

Completed training in system troubleshooting, networking, and security fundamentals.

Gustavus Adolphus College logoGC

Gustavus Adolphus College

Bachelor of Arts, Chemistry

Earned a Bachelor of Arts in Chemistry from Gustavus Adolphus College in 2018.

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