Are you saying data was stolen? Because the headline here is "allegedly." So, unless you know absolutely one way or the other, allegedly is accurate.
Irish Independent -> Hackers access half a billion customers’ data in Ticketmaster cyber attack
Gizmodo -> Ticketmaster Hack Reveals Sensitive Data for 560 Million People
Daily Mail -> Details of 560 million Ticketmaster customers are stolen in data leak
And so on...
(all these stories/headlines were published on May 29th, on the day when the rumor began to spread)
Are you saying data was stolen? Because the headline here is "allegedly." So, unless you know absolutely one way or the other, allegedly is accurate.