SafeDep has presented PMG on Hacker News as an open-source package firewall, with the project hosted in the safedep/pmg GitHub repository. The available announcement records a Hacker News score of 4 and two comments, but does not provide technical details such as supported package ecosystems, enforcement architecture, policy language, deployment model, or security benchmarks. The project may address software-supply-chain risk at package installation or runtime boundaries, but that interpretation is not confirmed by the supplied source and should be validated against the repository documentation and code.
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