Hacker Breaches Customer Service for Twitter, Tumblr, Pinterest

Twitter, Pinterest, and Tumblr are all scrambling to deal with a security breach, after a hacker accessed their customer support company and stole email addresses and other information, reports Mashable. Zendesk, the customer service company, said it detected the hack this week, took steps to close the vulnerability, and notified the customers who had their information stolen. No passwords were compromised in the hack, according to Zendesk. (More Zendesk stories.)