University of Colorado police and Eventbrite said it does not appear a hacker was behind the leaking of the emails addresses of people who bought tickets to Milo Yiannopoulos’ appearance at CU on Wednesday night.

Yiannopoulos, a gay editor for the “alt-right” website Breitbart News, was visiting the Boulder campus during his “Dangerous (Expletive) Tour.” During his lecture, Yiannopoulos referenced an email that went out to people who bought tickets to his show threatening to reveal their identities. At least one person also tweeted about the email.

“We know who you are, tonight we will know your faces,” the email reportedly read. “The identities of attendees will be released to the public on a list of known Neo-Nazi sympathizers. We do not tolerate fascists.”

The ticket vendor, Eventbrite, said it did not appear a hack was responsible for the leaked emails.

“We see no indication of a hack or security breach of our platform,” said Gemma Pollard, a spokeswoman with Eventbrite. “The only people that have access through our platform to a list of event attendees’ email addresses are those authorized by the account holder hosting the event.”

In fact, CU police said it appears the email addresses were obtained after the event organizers, the CU College Republicans, may have inadvertently sent out the email addresses themselves.

“We have learned that the College Republicans student organization sent an email Monday to attendees with event information, but those attendees’ email addresses were listed in the ‘To’ field and not blind carbon-copied,” said CU police spokesman Scott Pribble. “We believe that someone on that list sent or helped to send an offensive email to the rest of the recipients. While CUPD is still investigating, at this time, they do not believe an online hack occurred.”

The CU College Republicans declined to comment on the situation when reached Thursday.

CU police are investigating the situation, though the ticketing was handled by Eventbrite and did not involve CU technology infrastructure, Pribble said.

Mitchell Byars: 303-473-1329, byarsm@dailycamera.com or twitter.com/mitchellbyars.

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