Sajeeb Lohani is a cybersecurity leader and practitioner with a decade of experience, currently serving as Chief Information Security Officer at Kingside and a serial advisor and investor in security startups. He rose through technical roles at Bugcrowd to Global TISO and Senior Director of Cybersecurity, combining hands-on platform and penetration testing expertise with executive strategy. An OSCP/OSWE holder, Sajeeb is a core contributor to the Interlace open-source project that accelerates penetration testing workflows and has automated integrity checks for the disclose/diodb vulnerability disclosure database. He regularly teaches and mentors—having created a masters unit at the University of Melbourne and founded the Monash Cyber Security Club—while co-organising Melbourne meetups to grow local talent. A prolific bug bounty hunter ranked in Bugcrowd’s top 40 and listed in multiple vendor halls of fame, he also runs responsible disclosure initiatives aimed at hardening open source software. Practical, community-focused, and product-minded, Sajeeb blends deep technical tooling contributions with leadership across industry, academia and grassroots security.
10 years of coding experience
8 years of employment as a software developer
Karate Discipline, Karate, Karate Discipline, Karate at Kofukan Karate Academy
Bachelor of Software Engineering, Information Technology, Bachelor of Software Engineering, Information Technology at Monash University
Open-source vulnerability disclosure and bug bounty program database
Role in this project:
DevOps Engineer
Contributions:9 reviews, 85 commits, 27 PRs in 2 years 3 months
Contributions summary:Sajeeb primarily focused on automating and improving the repository's build and validation processes using GitHub Actions. Their contributions included implementing JSON schema validation, duplicate checking, and link validation, ensuring data integrity. They also addressed workflow errors, fixed type errors, and introduced new workflows to enhance the project's reliability. Furthermore, the user contributed to testing new workflows for different aspects of the project.
Easily turn single threaded command line applications into a fast, multi-threaded application with CIDR and glob support.
Role in this project:
Back-end Developer
Contributions:5 reviews, 99 commits, 43 PRs in 3 years 9 months
Contributions summary:Sajeeb primarily contributed to the core functionality of the application, focusing on command-line argument parsing, CIDR, and port range processing. Their work included the addition of features such as CIDR, range, and glob range support, alongside port parsing functionalities including comma and dash delimiters. Furthermore, they addressed bug fixes, including issues with port data types and the removal of debug statements, indicating a focus on improving application robustness and usability.
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Sajeeb Lohani - Chief Information Security Officer (CISO)