v1olet
Competing in OSINT and digital forensics challenges.
Herman
Kaufman, threat intelligence and OSINT specialist
Threat intelligence for financial systems & crypto.
I work at the intersection of cybersecurity, financial systems, and cryptocurrency. My interests span threat intelligence, OSINT, detection engineering, and blockchain investigations.
Bratislava, Slovakia
Experience
Different disciplines. One investigative mindset.
03EXPERIENCES
02CERTIFICATIONS
26+CLIENTS SERVED
Working across finance and engineering to automate data movement and make operational workflows more reliable. Building Python-based pipelines and integrating APIs to reduce manual work.
Since July 2026, applying an investigative mindset to real-world security testing and responsible vulnerability research on the Intigriti platform.
Worked independently with more than 26 clients, translating data into practical insights and deliverables.
CTF Teams
moricrew
Founded and led an OSINT-focused CTF team and community.
Founder
Certifications
Certified Penetration Testing Specialist
Certified
Certified Defensive Security Analyst
Certified
#1 on the OSINT Jobs leaderboard
Ranked first on the OSINT Jobs leaderboard.
Education
Bachelor of Management
Faculty of Management
Expected June 2027
Selected work
Investigations, systems, and things worth making.
Ledgerhound
A crypto-scam campaign intelligence pipeline. Ingests public scam and phishing reports, extracts crypto addresses and domains, clusters campaigns through shared infrastructure and fund flows, and publishes STIX 2.1 / MISP feeds and weekly intelligence reports.
PythonSTIX 2.1MISPFastAPIReact
View project In progress
SigmaFin
A repository of Sigma detection rules for crypto and financial threats.
SigmaDetection Engineering
View project Open slot
Next project
An open slot for what comes next.
Writing
I write about cybersecurity in the finance sector: threat intelligence, crypto-scam investigations, detection engineering, and how financial systems get attacked and defended.
- 01
Threat intelligence
Tracking actors, campaigns, and infrastructure targeting finance.
- 02
Crypto and fraud investigations
Following scam campaigns, wallets, and fund flows on chain.
- 03
Detection engineering
Turning threat knowledge into rules that catch real attacks.
- 04
Security in finance
How banks and fintechs get attacked, and how they defend.
Contact
Let's talk about what matters.
If you're working on research, security, financial systems, or a role where those worlds meet, I'd like to hear from you.
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LANGUAGES
- English & Russian · native
- Slovak & Czech · fluent
- German · elementary