According to an analysis by security firm Sucuri, as of April 17, 2 percent, or 20,320 of the top 1 million sites ranked by Amazon’s Alexa service were still vulnerable to the Heartbleed vulnerability.
While Web servers remain a key target for the Heartbleed vulnerability, they aren’t the only Internet technology that is at risk. Virtual private network (VPN) technology today is often deployed in the form of SSL-VPN, which has now been identified as also being under attack from Heartbleed.
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