Twitter accounts, including those of Joe Biden, Barack Obama, Kim Kardashian and Elon Musk, in one of the biggest hacks in social media history. Joseph James O’Connor, also known as PlugwalkJoe, pleaded guilty in New York on Tuesday to his role in the July 2020 hacking, in addition to cyberstalking and multiple other schemes. O’Connor was extradited from Spain on April 26 to face charges which carry a total maximum sentence of more than 70 years in prison.