Though it's hardly been widely implemented, a security researcher is warning that many systems – corporate and personal – are open to attack through channels that have been enabled on their machines to support IPv6 traffic. The researcher says many organizations and home users have IPv6 enabled on their systems by default but don't know it. They also don't have protection in place to block malicious traffic, since some intrusion detection systems and firewalls aren't set up to monitor IPv6 traffic.

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