Explainer: should you change your password after Heartbleed? By Andrew Smith , The Open University If you’re struggling to understand the deluge of information about the Heartbleed vulnerability , you’re not alone. Some reports tell us to change all our online passwords immediately, others warn us that this could do more harm than good. There is a lot of misinformation out there. It is essential that you do not panic but nor should you be complacent. We all need a good old fashioned mix of common sense and prudence. What is Heartbleed? On many of the servers and internet web services we use, there is a free and open source security technology called OpenSSL . In simple terms, when you see the padlock beside the web page URL , you have a secure and encrypted web connection that may have been managed by the OpenSSL software. To date, OpenSSL has worked incredibly well. Network engineers and users like you have been more than happy with the service it has provided. But Google
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