Hacker - Heartbleed vulnerability

Heartbleed vulnerability, here are some useful Articles:

Test site https://www.ssllabs.com/ssltest/

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Article http://news.netcraft.com/archives/2014/04/08/half-a-million-widely-trusted-websites-vulnerable-to-heartbleed-bug.html

Article http://www.tomsguide.com/us/heartbleed-change-passwords,news-18597.html

Article http://www.bit-incorp.com/wp/a-brief-guide-to-heartbleed/