Twitter CEO Jack Dorsey’s Twitter account hacked; send several abusive tweets Cyber Security Hacking Twitter CEO Jack Dorsey’s Twitter account hacked; send several abusive tweets TTI Staff September 4, 2019 Twitter's CEO (chief executive officer) and co-founder Jack Dorsey's Twitter has been hacked. It was used to... Read More Read more about Twitter CEO Jack Dorsey’s Twitter account hacked; send several abusive tweets