It is one option, there is also https://bugcrowd.com https://bugcrowd.com mainly paid reward programs, can start using it for a bug bounty/rewards program for

It is one option, there is also https://bugcrowd.com https://bugcrowd.com mainly paid reward programs, can start using it for a bug bounty/rewards program for free (also maintains the bug bounty list which is used by many white hat hackers https://bugcrowd.com/list-of-bug-bounty-programs/ https://bugcrowd.com/list-of-bug-bounty-programs/) https://crowdcurity.com https://crowdcurity.com