People are not proactive, they are reactive and sometimes plain negligent. There are still people and even people who are working in security that have not heard of Heartbleed and they don't even know what it is. Opportunities for the crackers for sure....
GUIDELINES FOR THE SELECTION, CONFIGURATION, AND USE OF TRANSPORT LAYER SECURITY (TLS) IMPLEMENTATIONS
A full two-thirds of the world’s web servers use the OpenSSL implementation of web cryptographic protocols, ensuring safe transmission of data. However, in recent months some serious questions have arise as whether or not it is as secure as we taught.
A great article from Sophos Naked Security Blog. It is a must read to understand, yet another SSL vulnerability. You will also see why learning a bit more about crypto is necessary to understand such attack. It does bring the knowledge you learned in the Cryptography domain to good use.