WASHINGTON—Twitter investors backed Elon Musk’s $44 billion takeover that the billionaire is trying to abandon shortly after a whistleblower who leveled charges of widespread security failures at the social-media company testified at a Senate hearing Tuesday.
Former Twitter security executive Peiter Zatko, who was fired by the company in January, told the Senate Judiciary Committee Tuesday that Twitter executives’ “incentives led them to prioritize profits over security,” echoing his whistleblower complaint.