Here's a post I made about it when the story was breaking a few days ago. https://steemit.com/news/@anon/mass-security-breaches-of-teamviewer-users-in-the-last-24-hours

And here's the stickied reddit thread https://www.reddit.com/r/teamviewer/comments/4m6omd/teamviewer_breach_masterthread_please_post_your/

It still seems like there could be an exploit that a criminal group found and are using against TeamViewer users.