Heartbleed is two months old, but security researchers say it’s still a significant threat.

Writing at Errata Security, Robert Graham says his firm's testing indicates there are still more than 300,000 servers running outdated software and still vulnerable to attack via Heartbleed.

When the news broke in April, a flurry of stories explained how server operators would need to update their software and replace encryption certificates to secure themselves. (Via Mashable,SymantecCloudFlare)

"Sites with sub-par security standards [will] continue to leave themselves — and their users — exposed," says The Verge. "The danger is particularly real now since the exploit has been widely publicized."

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