root@rumais:~$ whoami
defensive operator online
Security
Built for
Real Threats
I turn attacker behavior and security telemetry into practical detection coverage, clearer investigations, and stronger defensive decisions.
Detection · Validation · ResponseDefensive security in practice
$ ./explore_portfolio.sh↑↓ HISTORY · TAB COMPLETE · CTRL K CONSOLE
[boot] RUMAIS/OS portfolio interface
[load] 12 work entries · 06 credentials
[ready] Choose a shortcut or type help.
TRY
LOADED MODULES
- Sigma
- YARA
- Wazuh
- Atomic Red Team
- VECTR
Selected work / 01
From telemetry to defense.
All projects ↗01 · DETECTION
Detection Rule Development
Sigma and YARA logic shaped around attacker behavior and usable telemetry.
Explore case study →02 · VALIDATIONPurple Team Operations
ATT&CK-mapped simulation to measure and improve defensive coverage.
Explore case study →03 · OPERATIONSSIEM & XDR Integration
Bring security signals into monitoring workflows analysts can act on.
Explore case study →Available for meaningful security work