A 22-year-old is arrested in Spain in connection with last year’s Twitter hack.

A 22-year-old man was arrested in Spain on Wednesday in connection with the hack of greater than 100 Twitter accounts last July, turning into the fourth individual charged in the incident that led to a short lived shutdown of the social media service.

Joseph O’Connor faces prices in the United States of hacking, extortion and cyberstalking for the Twitter breach, and for hacks of Snapchat and TikTok accounts, the Justice Department stated.

The Twitter hack started when the hackers related in an internet discussion board last yr centered on shopping for and promoting uncommon person names. They then broke into Twitter’s programs by tricking staff into offering login data. The hackers used an administrative instrument to take over accounts belonging to political figures and celebrities, together with former President Barack Obama, Kanye West and Elon Musk, utilizing the accounts to conduct a Bitcoin rip-off.

Graham Ivan Clark, an 18-year-old who prosecutors stated was the “mastermind” of the Twitter hack, pleaded responsible to fraud prices in March in a Florida courtroom and agreed to serve three years in juvenile jail. Two others, Mason Sheppard and Nima Fazeli, had been arrested and accused of serving as middlemen for Mr. Clark to promote the Twitter accounts.

Mr. O’Connor was a widely known determine amongst hackers dealing in person names, going by the identify “PlugWalkJoe.” According to speak logs that the hackers shared with The New York Times last July, Mr. O’Connor interacted with the group briefly, buying the Twitter deal with @6.

At the time, Mr. O’Connor denied involvement in the Bitcoin rip-off. “I don’t care,” he stated in an interview. “They can come arrest me. I would laugh at them. I haven’t done anything.”

According to an affidavit submitted by an agent with the Federal Bureau of Investigation who investigated the breach, Twitter’s logs confirmed Twitter account belonging to Mr. O’Connor considered a number of accounts, as if purchasing, through the hack.

Mr. O’Connor, who is British, faces extradition to the United States and can face prices in Northern California. A lawyer for Mr. O’Connor couldn’t be instantly recognized. Twitter declined to remark.