I'm a Cybersecurity grad student at Northeastern University (MS, '27), based in Boston. I build security tools, break things on purpose, and spend a lot of time on how real systems actually fail.
- π Currently working on bug bounty tooling, honeypots, secure embedded systems, and personal productivity software
- π± Learning kernel internals, firmware security, and offensive-sec certification material
- π οΈ Interests: AppSec Β· API security Β· vuln research Β· secure code review Β· embedded security
- π« Reach me: LinkedIn Β· Portfolio Β· kalyan.dev.me@gmail.com
- Numa β native Android adaptive-schedule and accountability app (Kotlin, Jetpack Compose, Room, home-screen widget).
- Lexicon
Private Repo, Still in Developmentβ knowledge platform with web, application, and terminal clients for structured technical notes. - Bounty-Hawk β recon and bug bounty workspace for organizing targets, findings, and reports.
- BountyDesk β Next.js AppSec workspace with CVSS scoring, vuln intelligence, and report generation.
- MITRE eCTF 2026 β NeuSense β secure embedded design: key derivation, AEAD, replay protection, access control on constrained hardware.
- Redhawk (in progress β public soon) β new security project, details to follow.
Things I've deployed, published, or released to the public.
| Release | What it is | Where |
|---|---|---|
| Lexicon (Web) | Knowledge platform, live production build | lexxicon.vercel.app |
| Lexicon TUI | Terminal client for Lexicon, published release | GitHub Release |
| Numa | Native Android app, packaged APK release | GitHub Release |
| Bounty-Hawk | Recon and bug bounty workspace, public repo | github.com/Kalyan-Deva |
| Portfolio | Personal site, live deployment | kalyangopalam.com |
More releases and public builds are on the way β check the pinned repositories for the latest.
- MITRE eCTF 2026 β secure embedded system (crypto, access control, protocol hardening)
- Hands-on work with honeypots, IDS/IPS, and network monitoring
- Building open-source tooling for vuln tracking, recon, and finding management
- Focused on responsible disclosure and practical security engineering
If you're working on security tooling, open-source security projects, or AppSec research β happy to talk.


