Facebook open-sources one of Instagram’s security tools

From zdnet.com

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Facebook has formally launched today one of Instagram’s secret tools for finding and fixing bugs in the app’s vast Python codebase.

Named Pysa, the tool is a so-called static analyzer. It works by scanning code in a “static” form, before the code is run/compiled, looking for known patterns that may indicate a bug, and then flagging potential issues with the developer.

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