is this for real? "MacRumors Forums recently had a security leak in our forums."

Received this email:

From: MacRumors Forums <forums@macrumors.com>

MacRumors Forums: Important Security Notice

November 17, 2013 11:55 AM

Hello,

We are emailing you because you are a registered user of MacRumors.com Forums. We recently had a security leak in our forums. More details can be found in this blog post:

http://www.macrumors.com/2013/11/12/macrumors-forums-security-leak/

There is a chance that your user data (email address, username, hashed password) may have been leaked from the site. We recommend you take the following steps:

1. Change your password on MacRumors: http://forums.macrumors.com/profile.php?do=editpassword

2. If you used the same password on other sites, please change those as well.

If you are concerned about the authenticity of this email, please visit forums.macrumors.com on your desktop computer and, and there is a notice at the top of the screen that provides the same information.

Why didn't you get this email sooner? See the blog post above.

This is a one time email.

We sincerely apologize for the instrusion,

MacRumors.com