Paul Jeremiah Bcyberpj
Paul Jeremiah B

aka cyberpj

Application Security EngineerZohoIndia

Contact

Paul Jeremiah B

Application Security Engineer · Zoho · CTF · OSINT

I build my own tooling for web, API and mobile security testing, and bring in AI as needed to keep adapting. An occasional CTF player and challenge author.

Read the blog research, findings & tooling

Projects

  • PenJester

    A Burp Suite extension for manual access-control testing: IDOR, privilege escalation and tenant isolation, with evidence to back each verdict.

    Visit

  • j0

    Beta

    Jzero, a small web scanner (DAST) I built for fun, with AI-assisted scans behind a clean, simple UI. Launching soon.

    Visit

  • tweet-machine

    An OSINT tool that recovers deleted tweets, replies, old bios and timestamps, even from suspended accounts.

    View on GitHub

Recognition & CTF

Hall of Fame
Postmark, Atlassian and Canva, for reporting email security and web application vulnerabilities.
TamilCTF
CTF contributor and challenge creator since 2020.