https://www.reuters.com/article/us-twitter-cyber-access-exclusive/exclusive-more-than-1000-people-at-twitter-had-ability-to-aid-hack-of-accounts-idUSKCN24O34E

More than a thousand Twitter employees and contractors as of earlier this year had access to internal tools that could change user account settings and hand control to others, two former employees said, making it hard to defend against the hacking that occurred last week.