Sunnyjoseph C Marihal

Cybersecurity graduate student with expertise in digital forensics, network security, and cloud infrastructure. Proficient in utilizing tools such as Wireshark, Autopsy, and Snort for threat analysis and system security. Experienced in automating deployments with Terraform and Addible, alongside hands-on skills in Docker and Azure. Knowledgeable in designing security solutions for high-availability environments, with a strong focus on risk management and compliance with data protection standards.

M.Sc. in Cybersecurity
Dublin Business School, Dublin, Ireland
09/2024 – 09/2025

• Relevant Coursework: Penetration Testing, Red Team Operations, Network Security, Digital Forensics, Incident Response, Cryptography
• Projects: CTF-based adversarial simulation, vulnerability exploitation, forensic analysis, risk modeling

CTF VM – Jurassic Park Themed Adversarial Simulation
Designed an end-to-end Capture The Flag (CTF) lab simulating real-world exploits (port scanning, cron jobs, privilege escalation) using services such as FTP, SSH, Apache, and MySQL.

Offensive Security Research – Unraveling Digital Threats
Performed phishing, ransomware, and privilege escalation simulations; conducted forensic analysis using Autopsy, Wireshark, and Volatility; proposed structured incident response framework.

Infrastructure Automation for Offensive Security
Built Python/Shell-based tools to automate vulnerability scanning, configuration validation, and exploit testing within isolated lab environments.

Digital Forensics Investigation
Investigated simulated fraud incident using FTK Imager and Autopsy, performing keyword, metadata, and timeline analysis while preserving evidence integrity.

• Offensive Security & Red Teaming |Penetration testing labs|Malware analysis|Adversary simulation|Hiking and tech research

• TryHackMe – SOC Level 1 Certified (Offensive Security Fundamentals)
• Mastercard Cybersecurity Virtual Experience (Forage)
• Salesforce Certified Tableau CRM and Einstein Discovery Consultant
• GUVI – Advanced Python & Data Science Program (IIT Madras)