Software Development & Security
Offensive security meets production engineering. Small team. Ulaanbaatar, Mongolia.
[ SERVICES ]
From code to
compromise.
[01]
Penetration Testing
OSWE-certified assessments across web, API, and mobile attack surfaces.
[02]
Full-Stack Dev
Next.js, React, Go — security-first from line one.
[03]
Security Engineering
Source code review, threat modeling, and hands-on remediation.
[04]
Infrastructure
Containers, CI/CD, cloud migrations. No shortcuts.
[ TEAM ]
Small crew.
Sharp edges.
Every one of us writes code, breaks code, and ships to production. No managers. No overhead.
@ochk00
Erdene-Och Byambabayar
Tech Lead
Full-stack architect. System design to deployment.
Next.jsDockerAWS
@tulgoasi
Byambaa Battulga
Software Engineer
Crypto & backend. 5 years deep. CTF competitor.
PythonUnixCrypto
@uug4na
Uuganbayar Lkhamsuren
Security Engineer
OSWE. 40+ pentests. Finds what scanners can't.
OSWERed TeamGo
[ WORK ]
Shipped &
secured.
[ Contact ]LET'S
LET'S
TALK.
Security assessment or a full product build - we're ready.
catbyte.tech@gmail.com