Francois Cousteix, a 24-year-old Frenchman who went by the online name Hacker Croll, was given a five-month suspended sentence, the AP reported.
The news comes the day after the Federal Trade Commission (FTC) reached a settlement with Twitter over charges that the micro-blogging site failed to adequately safeguard user information, leading to the Cousteix incident and a separate attack.
"There were two different incidents involving two different hackers," a Twitter spokesman said in a Friday e-mail. "The breach involving Hacker Croll, who was convicted today, was in April 2009 and 10 Twitter accounts were affected. The earlier breach, in Jan. 2009, involved a different hacker."
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