The leak adds to the challenges facing the Elon Musk-owned company, which is trying to identify the person responsible and any other people who downloaded the code.

Some parts of Twitter's source code — the fundamental computer code on which the social network runs — were leaked online, the social media company said in a legal filing that was first ...

Court filings reveal that portions of Twitter's source code — the base programming that makes the site run — have been reportedly leaked online.