Riposte
[ in dev ]
An agentic security CLI and AI purple-team platform, red and blue, built around a four-gate verified-detection loop. Co-built with Krister Eriksen.
Curriculum Vitae
Download PDFJoakim Nordheim Larssen
Security engineer and builder, Oslo.
joakimnordheimlarssen@gmail.com github.com/JoakimLarssen in/joakim-nordheim-larssen nordheimlarssen.no
summary
BSc in Cybersecurity from Høyskolen Kristiania (Bergen), graduated summer 2026, continuing into an MSc in Information Security at NTNU, Gjøvik, from autumn 2026. I build security tooling and products, and I compete in CTFs. Open to security roles.
bachelor thesis
Secure AI-Accelerated Development in Agile Workflows
[ 2026 ]
SAIF, a five-part framework for how small teams integrate AI-accelerated development into agile workflows while balancing security, architecture, and reliability. A group project with Krister Eriksen and Bendik Hagen.
ctf
Mostly crypto, pwn, and web. Three podium finishes, plus my strongest showing against a full open field at EPT. I also co-hosted a Cybvest edition once.
strongest showing
4th
student team, EPT 202516th overall
| Event | Role | Result |
|---|---|---|
| Cybvest CTF | team | 1st |
| Helt Sikker CTF | solo | 3rd |
| Kongsberg Gruppen × Helt Sikker CTF | team | 3rd |
| EPT 2024 | team | 34th overall, 8th student |
| Cyberlandslaget Christmas CTF | participant |
Kongsberg Gruppen × Helt Sikker CTF was my first CTF.
education
MSc Information Security
NTNU, Gjøvik
2026 to 2028
BSc Cybersecurity
Høyskolen Kristiania, Bergen
2023 to 2026, graduated summer 2026
Exchange
Southern Utah University, USA
spring 2025
| Cyber Warfare | A |
| Data Communications and Networking | A |
| Algorithms and Data Structures | A |
| Technology and Ethics | A |
Full transcript and verified record available on request.
involvement
Cybvest
Cybersecurity student association, Høyskolen Kristiania Bergen
Leader
Kvarteret studenthus
Bergen
Volunteer developer
writing
On security, AI risk, and critical infrastructure. Some research, some coursework, some from my own projects.
- Secure AI-Accelerated Development in Agile Workflowsbachelor thesis
- The Power Grid is the Battlefieldcyberwarfare final project
- Building and Securing a Network from Scratchdata communications final project
- The Economics of a Zero-Dayanalysis
- Marking the Machineanalysis + experiment
- Too Dangerous to Releaseanalysis
- Does AI Actually Write Insecure Code?research review
skills
Languages
- Python
- Java
- TypeScript / JavaScript
- SQL
Security
- web application security (OWASP WSTG)
- penetration testing
- detection engineering (Sigma, YARA)
- MITRE ATT&CK
- steganography
Tools
- Kali Linux
- Nmap
- Wireshark
- Burp Suite
- OWASP ZAP
- sqlmap
- Hydra
- John the Ripper
- Splunk
- Docker
- Git
languages
Norwegiannative
Englishfluent
earlier work
| Employer | Period |
|---|---|
| Avarn Aviation Security | summers 2024 and 2025 |
| Travel Retail Norway | 2023 |
| Best Western Plus Oslo Airport | 2022 |
references
Available on request.