Hacker groups have jumped to claim credit for several outages to social network Twitter overnight, which downed the service for its 614 million accounts worldwide.
Twitter confirmed the outages on its status blog but did not explain what caused caused the intermittent problems.
A “hacker group” named UGNazi was quick to claim credit for the outages – on Twitter – but there has been no confirmation of its involvement.
@RT_com @YourAnonNews @AnonopsSweden We just #TangoDown'd twitter.com for 40 minutes worldwide! #UGNazi
— UGNazi (@UG) June 21, 2012
Uptime monitoring site Pingdom noted three outages to the microblogging site, with the longest one lasting over an hour.
Twitter’s PR team this morning tweeted that the overnight outage was “due to a cascaded bug in one of our infrastructure components” and promised further information later.
The outages come as Twitter is planning to push ads out to fifty countries, hoping to earn more than a quarter billion dollars from the move.
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