About Me

Hiroki Fujino

Software developer, mainly developing the back end of web applications. Living in Berlin since 2019.

Certificates

• eJPT (2024/03)
• Blue Team Level1 (2024/07)
• Certified Red Team Operator (2025/08)
• OSCP+ (2026/04)

CTF Writesup

• picoCTF 2025
• CryptoCTF 2025
• Holmes CTF 2025

source code