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Kaustubh Rai

Kaustubh Rai

Application security engineer, co-founder and CTO specializing in AppSec

kaustubh14
Varanasi, Uttar Pradesh, India
Joined March 2026

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Summary

Practical application security engineer who publishes technical writing: Kaustubh is described as an Application Security Engineer and maintains a regular stream of technical blog posts on topics like BChecks, secret scanning, BurpSuite tooling, and Local LLM integrations. contentstack+2
Founder and technology leader at early-stage products: He serves as Co-Founder and CTO at Easexpense and is named as a director and co-founder at Easenode Tech Private Limited, indicating hands-on product and company-level technical leadership since 2023. rocketreach+2
Open-source security tooling author and builder: He develops and publishes security tools and scripts—most notably the Rahasya secret-scanning project and a BChecks collection—and shares repositories and usage guidance publicly on GitHub and blog posts. github+2
Technical educator and community contributor: Through detailed how-to posts and worked examples (BChecks, Burp extensions, secret scanning), he documents practical workflows for other security practitioners and contributes to community knowledge. raikaustubh+2

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Participates in CTF competitions and explores practical hacking techniques. contentstack+1