cybersec/resources/projects.md

Portfolio Projects

Public Notice

This portfolio is a public document and includes no sensitive or classified information. All the contents are suitable for general audiences and comply with confidentiality agreements.

Overview of Public Projects

1. Enterprise Network Security Audit
2. Small Business Security Assessment & Enhancement
3. Secure Satellite Communication Protocol Design
4. UAV Cybersecurity Framework Implementation
5. AI-Driven Network Anomaly Detection
6. Secure SDR Implementation for Amateur Ground Stations
7. Lunar Analog Habitat Cybersecurity Architecture
8. Family Office Cybersecurity Framework

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Project 1: Enterprise Network Security Audit

Overview

Conducted a comprehensive security audit for a large corporation, evaluating network architecture, firewall configurations, intrusion detection/prevention systems (IDS/IPS), and overall vulnerability management posture.

Objectives

• Analyzed network topology, segmentation, and data flow patterns for security risks.
• Performed vulnerability scanning and configuration reviews of key network infrastructure.
• Assessed firewall rule effectiveness and IDS/IPS signature relevance.
• Recommended prioritized remediation actions and strategic security enhancements.
• Evaluated system hardening practices, including Linux file permissions and database access controls.

Tools & Technologies

• Network Vulnerability Scanner (Nessus)
• Packet Analyzer (Wireshark)
• Firewall Platforms (Cisco ASA, Juniper SRX)
• Linux/*nix command-line utilities
• SQL database query tools (for configuration review)

Outcome

• Identified numerous critical and high-severity vulnerabilities, providing detailed remediation guidance.
• Delivered actionable insights leading to measurable improvements in the organization's network security posture.
• Enhanced alignment with compliance requirements such as GDPR and HIPAA through targeted recommendations.

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Project 2: Small Business Security Assessment & Enhancement

Overview

Executed a comprehensive security assessment and implemented foundational security improvements for a small business, focusing on identifying critical vulnerabilities and establishing robust defensive measures.

Objectives

• Conducted external and internal penetration testing to identify exploitable vulnerabilities.
• Analyzed existing network design, security policies, and access control mechanisms.
• Developed and implemented baseline security configurations for workstations and servers.
• Established incident response guidelines and provided staff awareness training.

Tools & Technologies

• Penetration Testing Frameworks (Metasploit, Burp Suite)
• Network Firewalls (pfSense implementation)
• Intrusion Detection System (Snort configuration)
• Incident Response Ticketing System (setup and configuration)

Outcome

• Significantly strengthened defenses against common cyber threats like phishing and ransomware.
• Reduced the potential attack surface through network segmentation and system hardening.
• Improved the company's capability to detect and respond effectively to security incidents.
• Fostered a more security-conscious culture within the organization.

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Project 3: Secure Satellite Communication Protocol Design

Overview

Led the design and analysis of secure communication protocols for satellite command, telemetry, and payload data transmission, emphasizing confidentiality, integrity, and authentication for space-to-Earth links.

Objectives

• Defined security requirements based on mission profile and threat modeling specific to space assets.
• Designed cryptographic protocols incorporating AES-GCM and SHA-3, suitable for satellite operational constraints.
• Implemented and validated secure data transmission mechanisms ensuring data integrity via authenticated encryption.
• Analyzed protocol resilience against eavesdropping, replay attacks, and jamming scenarios.

Tools & Technologies

• Cryptographic Standards (AES-GCM, SHA-3, CCSDS Security Recommendations)
• Protocol Simulation Environment (NS-3)
• Secure Programming Libraries (OpenSSL)
• Formal Verification Methods (preliminary analysis)

Outcome

• Developed robust protocol specifications enhancing confidentiality and integrity for critical satellite communications.
• Validated protocol resilience against modeled space communication threats through simulation.
• Contributed to establishing secure and reliable communication channels, increasing mission assurance.

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Project 4: UAV Cybersecurity Framework Implementation

Overview

Developed and implemented a security framework for Unmanned Aerial Vehicles (UAVs), protecting command and control (C2) links, onboard data, and resisting potential cyber-attacks like jamming or hijacking.

Objectives

• Secured the C2 link between UAVs and ground control stations using authenticated encryption (DTLS).
• Implemented data-at-rest (LUKS) and data-in-transit (TLS) protection for collected sensor data.
• Deployed lightweight intrusion detection agents tailored for UAV operational constraints.
• Conducted penetration testing against the implemented framework using RF analysis tools.

Tools & Technologies

• Wireless Security Protocols (DTLS, WPA3-Enterprise)
• Lightweight Cryptography Libraries (mbed TLS)
• Embedded Linux Security Tools (iptables, auditd)
• SDR Platforms (HackRF for RF testing)
• Custom Intrusion Detection Agents

Outcome

• Deployed a security framework significantly reducing the risk of unauthorized C2 interference and data interception.
• Ensured integrity and confidentiality of sensitive payload data during flight and post-processing.
• Enhanced overall operational resilience and safety for UAV missions through validated security measures.

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Project 5: AI-Driven Network Anomaly Detection

Overview

Designed and implemented an AI-driven anomaly detection system leveraging machine learning to identify potentially malicious network activities that evade traditional signature-based detection methods.

Objectives

• Curated and pre-processed NetFlow data and firewall logs for model training.
• Developed and trained Isolation Forest and Autoencoder models to establish baseline network behavior.
• Integrated the trained models with the ELK Stack for real-time log analysis.
• Implemented alerting mechanisms within Kibana for detected anomalies, prioritized by deviation scores.

Tools & Technologies

• Machine Learning Libraries (Scikit-learn, Keras)
• Data Processing Tools (Pandas, Logstash)
• Log Management & Analytics (ELK Stack: Elasticsearch, Logstash, Kibana)
• Network Data Sources (NetFlow, Firewall Logs)

Outcome

• Developed a system capable of detecting novel network anomalies potentially indicative of zero-day threats.
• Reduced mean-time-to-detect for specific classes of anomalous behavior compared to manual analysis.
• Provided security analysts with prioritized, actionable alerts, improving response efficiency.
• Enhanced proactive threat hunting capabilities by highlighting unusual network patterns.

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Project 6: Secure SDR Implementation for Amateur Ground Stations

Overview

Led a project focused on securing ground-based amateur antennas for space communication, using Software-Defined Radio (SDR) techniques to ensure the integrity and authenticity of space-to-ground transmissions from amateur satellites.

Objectives

• Implemented secure demodulation and decoding pipelines within GNU Radio.
• Analyzed and mitigated risks associated with RF interference and spoofing targeting amateur SDR setups.
• Developed methods using digital signatures (where feasible) for verifying received satellite transmissions.
• Documented and shared secure SDR processing workflows with the amateur radio community.

Tools & Technologies

• SDR Software (GNU Radio Companion, GQRX)
• SDR Hardware (RTL-SDR, USRP)
• Signal Processing Libraries (GNU Radio DSP blocks, SciPy)
• Authentication Techniques (GPG for signature verification)
• RF Analysis Tools (Spectrum Analyzers)

Outcome

• Created secure SDR processing workflows enhancing data integrity for amateur satellite communications.
• Increased ground station resilience against common RF spoofing and interference techniques.
• Contributed practical security guidelines and reusable GNU Radio blocks to the open-source space community.

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Project 7: Lunar Analog Habitat Cybersecurity Architecture

Overview

Designed and implemented cybersecurity protocols for a Lunar Analog Habitat simulation, focusing on safeguarding critical life support, communication, and research systems in an isolated, high-latency environment.

Objectives

• Developed a Zero Trust security model adapted for the habitat's segmented network.
• Implemented robust multi-factor authentication (MFA) and end-to-end encryption (TLS 1.3) for all internal and external communications.
• Deployed intrusion detection (Zeek sensors) and continuous monitoring systems integrated with a central SIEM.
• Secured critical environmental control systems using network isolation and protocol-aware monitoring.

Tools & Technologies

• Zero Trust Principles Implementation (Micro-segmentation via VLANs/Firewalls, Identity Management)
• Strong Encryption Standards (TLS 1.3, AES-256)
• Network Intrusion Detection System (Zeek)
• SIEM Platform (ELK Stack)
• Secure Remote Access (IPSec VPN)

Outcome

• Established robust protection for simulated critical habitat systems against potential cyber threats.
• Demonstrated resilient secure communication capabilities despite simulated high-latency links.
• Contributed a practical security architecture model applicable to future secure space exploration and habitation designs.

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Project 8: Family Office Cybersecurity Framework

Overview

Developed a tailored cybersecurity framework for a Family Office, addressing the unique financial, legal, and privacy concerns of high-net-worth individuals and families against targeted cyber threats.

Objectives

• Designed robust protection against sophisticated phishing, ransomware, and identity theft attempts.
• Implemented secure communication channels (Signal, ProtonMail) and encrypted data storage (VeraCrypt).
• Deployed advanced endpoint protection and secure network configurations for home and office environments.
• Created and delivered personalized cybersecurity awareness training for family members and staff.

Tools & Technologies

• Secure Communication Platforms (Signal, ProtonMail)
• Full Disk & File Encryption (VeraCrypt, BitLocker)
• Advanced Endpoint Detection & Response (EDR) Solution
• Enterprise-Grade Firewall/VPN Appliance
• Password Managers & Hardware Security Keys (MFA)
• Custom Phishing Simulation & Training Platform

Outcome

• Established comprehensive protection reducing exposure for sensitive information and financial assets.
• Improved confidence in secure Family Office operations through implemented technical controls and training.
• Delivered tailored solutions addressing the unique cybersecurity challenges and risk profile faced by high-net-worth families.

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