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Guillaume Gilles

Regional economist at Banque de France by day, cybersecurity practitioner in the making by night. A decade of financial analysis taught me that pattern recognition and healthy skepticism travel well — turns out they’re just as useful when breaking into boxes on HackTheBox as when reading a balance sheet. I also teach statistics and financial analysis.

This is my open notebook: CTF writeups, security research, and dev experiments alongside course materials for my students.

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