On April 7, 2014 information was released about a new vulnerability (CVE-2014-0160) in OpenSSL, the cryptography library that powers the vast majority of private communication across the Internet. This library is key for maintaining privacy between servers and clients, and confirming that Internet servers are who they say they are.
This vulnerability, known as Heartbleed, would allow an attacker to steal the keys that protect communication, user passwords, even the system memory of a vulnerable server.
We have no indication that the attack has been used against batchbook.com but are taking the matter very seriously. In order to best protect your data, we’ve addressed the vulnerability on all of our systems running the affected code which will prevent any possible attacks. We encourage you to log out and log back in and to reset your password to ensure your utmost security.
You may read more about the vulnerability here: http://heartbleed.com