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Hacker Breaches Security at Zendesk: Twitter, Tumblr & Pinterest Compromised

February 22, 2013

By Paul Thomson :: 1:12 AM

Hacked Zendesk system gives Twitter, Tumblr and Pinterest data to hackers.Zendesk, a customer service software provider announced a few hours ago that it was the victim of a hacker attack that allowed its system to be compromised. Customer data was accessed by the hackers, and those customers affected included the social media websites Twitter, Tumblr, and Pinterest.

The company told customers about the breach in a blog post published on Thursday night. Tumblr in turn send a notification to affected users in an email at approximately 9:30 p.m. Twitter and Pinterest have also followed suit.

Zendesk’s blog post reads, “Our ongoing investigation indicates that the hacker had access to the support information that three of our customers store on our system. We believe that the hacker downloaded email addresses of users who contacted those three customers for support, as well as support email subject lines. We notified our affected customers immediately and are working with them to assist in their response.”

At this time, it appears that only customer emails addresses, and in some cases names and phone numbers were taken. Zendesk does not believe that passwords, encrypted or not encrypted, were compromised. However, the investigation is still ongoing. Twitter, Pinterest and Tumblr have not reported that any user accounts on their networks have been compromised yet.

This story is developing, and more information will be posted as it becomes available.