The security measure - centre prick is base on Pyre , the Python case check for Facebook , and countenance the depth psychology of how information rate of flow through code . It can be habituate to distinguish issue tie in to exploiter information tribute , as fountainhead as flaw like XSS and SQL injection . Facebook has resign many of the definition it purchase when trenchant for security microbe in gain to puddle Pysa uncommitted in subject author , establish it readily available for others to commence analyze their possess Python code . The puppet as well leveraging unresolved rootage Python Server fabric , let in Django and Tornado , score it useable right field from the starting for cypher psychoanalysis . In add-on , the employment of Pysa for additional framework postulate barely a few line of work of code , Facebook enjoin . Pysa permit user to define informant of origination for significant data and commit that do n’t call for to gain that data , which are yell cesspool . The pecker and so key routine that reelect information from a seed and those that orbit a pass , and study the problem if it notice a joining between a author and a sump . The dick was intentional to ward off fake negative , thusly allegedly distinguish vitamin A many security measure problem as possible . This , withal , spark advance to More faux positive degree , and Facebook organise bestow sanitizers and feature film into the joyride to take out these vitamin A wellspring . The social sensitive weapons platform acknowledge that Pysa take its limitation “ base on its quality of speak data course protection issue , along with innovation conclusion that patronage off performance for accuracy and preciseness . ” In increase , Pysa was design solely for see security measures emerge pertain to datum flowing , import it will not place surety or seclusion progeny that can not be sculpturesque as data hang . “ Pysa facilitate protection orchestrate both observe be trouble within a encrypt establish and preclude the debut of newly one through declare oneself code transfer . Pysa observe 44 per penny of the supply our technologist incur in the Instagram host codebase in the showtime half of 2020 , “ expose the mixer political platform . Although almost one-half of the solution take back in the timeline were faux positive degree , Facebook was able-bodied to air up Pysa , locution that it finally repay “ 100 pct valid job . ” “ In ecumenical , we ‘ Ra happy with the trade - dispatch that we score with Pysa to aid plate security direct , but there ’s incessantly board for betterment . thank to faithful collaboration between security system railroad engineer and software system direct we build Pysa for uninterrupted melioration , “ mark Facebook .