Measuring Success in Vulnerability Disclosure

The HackerOne Success Index (HSI) is presented as a six-dimension framework—Vulnerabilities Fixed, Reward Competitiveness, Response Efficiency, Researcher Depth, Researcher Breadth, and Signal Ratio—for measuring and benchmarking the effectiveness of vulnerability disclosure and bug bounty programs; the post describes input factors, example program profiles, and plans to publish deeper analyses and operationalize the index for customers.