More than 80,000 SSL certificates were revoked in the week following the publication of the Heartbleed bug, but the certificate revocation mechanisms used by major browsers could still leave Internet users vulnerable to impersonation attacks. Little has changed since Netcraft last reported on certificate revocation behaviour. Why is revocation necessary?
The Heartbleed bug made it possible for […]
As the results of CloudFlare’s challenge have demonstrated, a server’s private key can be extracted using the Heartbleed vulnerability. Consequently, the 500,000+ certificates used on web servers supporting TLS heartbeat should be urgently replaced and revoked. Whilst the replacement and revocation process has begun — 80,000 certificates have been revoked since the announcement — it […]
Certificate revocation is intended to convey a complete withdrawal of trust in an SSL certificate and thereby protect the people using a site against fraud, eavesdropping, and theft. However, some contemporary browsers handle certificate revocation so carelessly that the most frequent users of a site and even its administrators can continue using an revoked certificate […]
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