TikTok partnered with HackerOne in 2020 to scale its security amid rapid global growth. The collaboration launched with a public bug bounty program that expanded in scope and impact, including participation in live hacking events. By leveraging HackerOne’s platform, TikTok fostered transparency, clear communication, and year-round engagement with top security researchers. This approach strengthened its ability to proactively detect vulnerabilities across a complex digital ecosystem, enhanced its internal capabilities, and improved user safety for over a billion users worldwide.

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