A security incident was reported May 3, and the company says that there is no proof of a security breach but they're "erring on the side of caution." Or something.
Here's how they put it:
The remedy? Again, change your master password.
Here's the actual status report:
I use LastPass, and will continue to do so. It's a solid system. However, I am looking toward other password-keeping programs, such as KeePass (which saves my password data to disk rather than in the cloud).
Upshot: I don't see this as a panic situation. But still ...