You can't open up a newspaper or visit a media website these days without seeing a story about the latest company that has had its computer systems hacked. Usually these stories are accompanied by big numbers detailing either financial impacts or numbers of customers affected.
You might not know much about Virtual Private Networks (abbreviated VPN), which allow your internet traffic to appear to come from somewhere else. If you do, it might be how you connect to your office when you work from home, making your computer seem to be part of the work network.
What is Heartbleed?
Heartbleed is a serious security bug in the OpenSSL cryptography library. Its official reference is CVE-2014-0160. This bug is the result of a missing bounds check in the heartbeat function.
What is an SSL heartbeat?
Without the heartbeat function, this bug would not exist, so it’s important to understand the feature being exploited.