A hacker group has released a proof-of-concept tool that exploits how encryption keys can be renegotiated to launch a distributed denial of service attack against Secure Sockets Layer servers.
A tool designed to launch denial of service attacks can bring down Secure Sockets Layer servers using just a laptop computer and a standard DSL connection.

Developed by a German group called The Hacker's Choice, THC-SSL-DOS tool is intended to be a proof-of-concept to disclose "fishy security" in the SSL protocol, the group wrote on The Hacker's Choice blog Oct. 24.

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