Summary
Chrisando Ryan is a security engineer with eight years of hands-on experience blending offensive research, teaching, and practical advisory work across industry and academia. Currently at Skyscanner, he pairs penetration testing expertise with leadership in designing national-level cybersecurity competitions and automating CTF infrastructure. As a lecturer and researcher he developed curricula and published AI-driven side-channel exploitation work—presented at Black Hat Asia—and built ML-driven security tooling showcased at Black Hat Arsenal. He has a master’s in Offensive AI & Big Data Exploitation and holds certifications including CEHp, CAP, CAPEN, and eMAPT, reflecting deep technical breadth. Chrisando’s background spans finding critical vulnerabilities in finance and government apps to building DevSecOps-focused courses and open-source tools like Gateflag, revealing a practitioner comfortable in both developers’ and attackers’ worlds. Based in Jakarta with a UK affiliation, he combines academic rigor with pragmatic impact—often turning research into deployable security solutions.
9 years of coding experience
Bachelor of Computer Science, Cybersecurity, Bachelor of Computer Science, Cybersecurity at BINUS University