There's a difference between the system being open and the test tools being open. Mozilla has open sourced most of its fuzzers [1], but only after they are no l

There's a difference between the system being open and the test tools being open. Mozilla has open sourced most of its fuzzers [1], but only after they are no longer finding existing bugs. The fuzzers are then used to prevent regressions. [1] https://github.com/MozillaSecurity https://github.com/MozillaSecurity