Twitter Whistleblower , Reveals Concerns , for User Data Safety .<br />Reuters reports that U.S. Senator Chuck Grassley said the FBI informed Twitter of at least one Chinese agent working at the company amid a Senate hearing on September 13. .<br />Reuters reports that U.S. Senator Chuck Grassley said the FBI informed Twitter of at least one Chinese agent working at the company amid a Senate hearing on September 13. .<br />At the hearing, a whistleblower testified, <br />raising concerns about foreign meddling <br />at the popular social media platform.<br />Whistleblower Peiter "Mudge" Zatko, who served as Twitter's head <br />of security until he was fired in January, expressed concerns <br />that the Chinese government could collect user data.<br />Whistleblower Peiter "Mudge" Zatko, who served as Twitter's head <br />of security until he was fired in January, expressed concerns <br />that the Chinese government could collect user data.<br />According to Zatko, the week before he was fired <br />the FBI informed Twitter that an agent of China's <br />main espionage agency was on the company's payroll.<br />According to Zatko, the week before he was fired <br />the FBI informed Twitter that an agent of China's <br />main espionage agency was on the company's payroll.<br />Reuters reports that it remains unclear <br />whether the alleged Ministry of State Security <br />agent was still employed by Twitter.<br />A spokesperson for Twitter said that the hearing , "only confirms that Mr. Zatko's allegations are <br />riddled with inconsistencies and inaccuracies.".<br />U.S. Senator Chuck Grassley said in his opening <br />remarks that many of the whistleblower's allegations <br />directly implicated Twitter's CEO Parag Agrawal. .<br />U.S. Senator Chuck Grassley said in his opening <br />remarks that many of the whistleblower's allegations <br />directly implicated Twitter's CEO Parag Agrawal. .<br />Grassley also reportedly pointed out that Agrawal refused to appear at the hearing for fear that it would jeopardize Twitter's upcoming legal battle with Tesla CEO Elon Musk.<br />Grassley also reportedly pointed out that Agrawal refused to appear at the hearing for fear that it would jeopardize Twitter's upcoming legal battle with Tesla CEO Elon Musk.<br />Last week, a judge in Delaware ruled <br />that Musk may include Zatko's <br />testimony in his case against Twitter.<br />According to Twitter, Zatko was fired for "ineffective <br />leadership and poor performance," and that his <br />allegations are designed to harm his former employer.<br />According to Twitter, Zatko was fired for "ineffective <br />leadership and poor performance," and that his <br />allegations are designed to harm his former employer