U.S. Navy Lieutenant

Celine Tannous @ObsidianNull

Cyber Defense Military Leadership Red Team Enthusiast

I’m a Nuclear Surface Warfare Officer with a background in cyber operations. I’ve led technical teams in high-risk, mission-critical environments, served as a shipboard Cyber Officer, and managed complex systems where reliability and security are non-negotiable. My work bridges operational leadership and hands-on technical expertise, with a focus on cybersecurity, risk management, and resilient systems.

Terminal Tap on mobile; press T on desktop
root@obsidiannull:~$ _

Intelligence Brief

ACTIVE OPERATOR
LT Celine Tannous
TS/SCI

LT Celine Tannous

@ObsidianNull

San Diego, CA | Remote Operations

Mission Statement

My mission is to grow into a skilled cybersecurity professional by applying the discipline, leadership, and risk awareness I developed in high-stakes operational environments, while continuously learning and improving my technical craft.

Offensive Operations

Penetration testing and red team methodologies

Defense Architecture

Zero-trust security design and incident response leadership

Team Leadership

Military-trained leadership and cybersecurity team management

Threat Intelligence

Advanced persistent threat analysis and threat hunting

Cyber Arsenal & Labs

Curated collection of cybersecurity projects, research, and practical demonstrations

UNCLASSIFIED
Red Team

Advanced Persistent Threat Simulation

Full-scale APT simulation targeting enterprise environment with custom malware and persistence mechanisms.

Metasploit Custom C2 PowerShell
UNCLASSIFIED
Blue Team

Zero-Trust Network Architecture

Implementation of enterprise zero-trust security model with micro-segmentation and continuous verification.

pfSense Zeek ELK Stack
UNCLASSIFIED
Forensics

Automated Malware Analysis Pipeline

Custom-built automated malware analysis system with dynamic and static analysis capabilities.

Python Volatility YARA
UNCLASSIFIED
Research

AI-Powered Threat Hunting

Machine learning model for automated threat detection and behavioral analysis in enterprise networks.

TensorFlow Pandas Splunk

Credentials & Clearances

Professional certifications and security clearances validating expertise

TOP SECRET/SCI
ACTIVE

Security Clearance

Top Secret/Sensitive Compartmented Information

U.S. Department of Defense
BS Cyber Operations
2021

CAE-CO Graduate

Center of Academic Excellence in Cyber Operations

U.S. Naval Academy

CompTIA Security+

DoD 8570 IAT Level II Baseline

Cert ID: SY0-701 Valid: 2025-2028

CompTIA PenTest+

Advanced Penetration Testing

In Progress Target: Q1 2026

CompTIA CySA+

Cybersecurity Analyst (CySA+)

In Progress Target: Q2 2026

OSCP

Offensive Security Certified Professional

Planned Target: Q3 2026

Establish Communications

Secure channels available for professional collaboration and opportunities

secure-comms@obsidiannull
0/2000 characters

Alternative Communication Channels

Secure Line

+1 (720) 318-3311

Professional Network

LinkedIn Profile

Code Repository

@ObsidianNull

Current Availability

Available for freelance projects and looking for future full-time opportunities in cybersecurity roles for Winter 2026.

Response time: Within 24 hours