HEARTBLEED - is recent trending topic in the Technology Industry and fear flies to companies developing internet applications having https / OpenSSL - encryption bug.
As per NSA (National Security Agency) has mentioned, it warned intelligence about the HeartBleed a few months back.
Here is a tool Test Your Server for HeartBleed
What to do - If it is attacked ?
As a user : You need to contact your hosting service and say, I care about security.
As a company: Send the info immediately to system administrator - some thing is wrong !
As a System Administrator: Do a Patch for OpenSSL and change your certificates, if needed.
To know more in detail:
Attend this webinar by Security System Engineer - Nick Sullivan : He is current working for CloudFlare, ex-Apple , ex-Symantec.
The Heartbleed bug: what is it and how to protect your site? -- Register Here