Differential Privacy in Federated Learning
Designed and implemented a Secure Federated Averaging (SFA) framework with calibrated DP noise injection and anomaly detection to protect sensitive client data in distributed AI systems.
→ github.com
Umaru Bah
aka Captain
Cybersecurity Graduate | SOC & Threat Hunting
Hamburg, Germany
// about
Summary
Recent M.Sc. Computer Science (Cybersecurity) graduate from Eötvös Loránd University (ELTE), Budapest, with a thesis on differential privacy in federated learning systems designing mechanisms to protect sensitive data in distributed AI environments. CompTIA PenTest+ certified, with hands-on SOC training through Hack The Box Academy including DFIR, threat hunting, and SIEM-based incident response. Actively pursuing roles in SOC analysis, IT security, and threat detection engineering.
// skills
Technical skills
Security tools
- Elastic Stack / Kibana
- Splunk / Microsoft Sentinel
- Wireshark / Nmap
- Burp Suite / Metasploit
- Hydra / John the Ripper
SOC & detection
- SIEM monitoring & triage
- Threat hunting (ELK)
- Log analysis (Windows / Linux)
- Incident response
- DFIR fundamentals
Programming
- Python (pandas, NumPy)
- Bash / PowerShell
- KQL / SPL
- SQL
- Git
Certifications
- CompTIA PenTest+
- Cisco Cybersecurity Essentials
- Big Data & Analytics (Cisco)
- ELTE Student Ambassador
Soft skills
- Technical report writing
- Cross-team collaboration
- Independent research
- Stakeholder communication
Languages
- English — fluent (C1+)
- Arabic — working proficiency
- German — conversational
// experience
Experience
Jan 2025 — present
SOC Analyst Training
Hack The Box Academy · Remote
- SIEM-based threat detection and log analysis in simulated enterprise SOC environments using Splunk and Elastic Stack
- Investigated brute-force attacks and suspicious authentication events (Windows Event ID 4625); documented structured incident reports
- Conducted DFIR and Security Incident Response modules including Stuxbot threat hunting investigation
Aug 2023 — Jul 2025
Student Ambassador
Eötvös Loránd University · Budapest, Hungary
- Guided international students through academic programmes and scholarships (Stipendium Hungaricum, Erasmus Mundus)
- Organised workshops and informational webinars; collaborated with university staff on student welfare initiatives
Sep 2023 — May 2024
Security Researcher
Eötvös Loránd University · Budapest, Hungary
- Conducted security analysis across network and cloud environments; assessed compliance with GDPR and NIS2 frameworks
- Produced technical vulnerability reports and strategic recommendations for institutional stakeholders
- Collaborated with interdisciplinary teams across computer science, law, and policy departments
Jan 2021 — Dec 2022
ICT Support Staff
Ahmad Tejan Kabbah Foundation · Freetown, Sierra Leone
- Provided 1st–2nd level IT support; implemented security protocols and managed the organisation's website and social media
- Maintained system availability and documented IT operations for organisational continuity
Jun 2018 — Dec 2020
Data Capture Specialist
Njala University · Sierra Leone
- Configured routers and switches in the university computer lab; diagnosed and maintained desktop systems
- Managed high-volume data entry and quality assurance for institutional records
// education
Education
2022 — 2025
M.Sc. Computer Science (Cybersecurity)
Eötvös Loránd University (ELTE) · Budapest, Hungary
- Thesis: Differential Privacy in Secure Federated Averaging Algorithm
- Coursework: Network Security, Cryptography, Cloud Security, GDPR Compliance, Anomaly Detection
- Activities: Ethical Hacking, Cryptography, Networking Security
2016 — 2020
B.Sc. Business Information Technology
Njala University · Sierra Leone
- Focus: Programming, eCommerce, Information Systems
// projects & training
Projects & training
HTB Academy — SOC Analyst Path
Hands-on SOC analyst training covering SIEM operations, log analysis, alert triage, and incident response across simulated enterprise environments since January 2025.
In progressStuxbot Threat Hunting Investigation
Conducted a full threat hunting investigation of the Stuxbot malware campaign using Elastic/Kibana — timeline reconstruction, IOC extraction, and structured incident report.
HTB DFIR moduleSOC Log Analysis Lab
Built a home SOC lab environment; analysed Windows Security Event Logs (Event IDs 4625, 4672) to detect brute-force patterns and suspicious authentication events.
→ github.com/bahh99ENFIELD AI Summer School 2025
5-day intensive at Budapest University of Technology (BME) covering Trustworthy AI, Human-Centric AI, and AI applications in Healthcare and Energy.
BME BudapestBahTravel.online
Founded and launched an Umrah and Hajj travel service for the Muslim community across Europe — product development, operations, and digital marketing.
→ bahtravel.online// contact
Get in touch
I'm actively looking for SOC analyst, cybersecurity analyst, and IT security roles. Feel free to reach out — I respond promptly.