U.S. Senator Hawley has sent a request for information to Twitter CEO Jack Dorsey: "I am concerned that this event may represent not merely a coordinated set of separate hacking incidents but rather a successful attack on the security of Twitter itself"
Experts say the unusual scope of the Twitter hack suggests it's not limited to individual accounts or a third party service. "This appears to be the worst hack of a major social media platform yet," one expert says - Reuters