> For the complete documentation index, see [llms.txt](https://support.gitcoin.co/gitcoin-knowledge-base/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.gitcoin.co/gitcoin-knowledge-base/about-gitcoin/policy/active-defense-measures.md).

# Active Defense Measures

- [Sybil Detection by Machine Learning](https://support.gitcoin.co/gitcoin-knowledge-base/about-gitcoin/policy/active-defense-measures/sybil-detection-by-machine-learning.md)