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(1) Microsoft Bounty Programs | MSRC. https://www.microsoft.com/en-us/msrc/bounty.(2) Become a bug bounty hunter - Learn about web application .... https://www.bugbountyhunter.com/.(3) Bug Bounty Hunter: A Job That Can Earn You a Fortune!. https://www.testbytes.net/blog/bug-bounty-hunter/.(4) Google Bug Hunters - Google Bug Hunters. https://bughunters.google.com/.