So Long v4! Here’s to v6 Being Secure!

With the continuous flow of varying government regulations surrounding IPv6, I’ve been wondering about the impact on security. Just having addressing support isn’t enough. Lucky for us, today Cisco announced the early availability of cloud-based IPv6 support for the Cisco IronPort Email Security portfolio. Cisco email security customers of all form factors—appliance, cloud and hybrid—are able to send and receive IPv6 emails through the Cisco infrastructure.  Customers so far are very pleased.
The continuous growth of the Internet requires that its overall architecture evolve to accommodate new technologies to support the growing numbers of users, applications, appliances, and services.  As per Cisco and industry estimates, the IPv4 address space will be exhausted in the next two years.  This will cause every organization to face the inevitable transition from IPv4 to IPv6.
In recent months, Cisco Security Intelligence Operations (SIO) has witnessed a rise in criminal activity on IPv6, particularly as sources of email threat messages and in channels used by botnet command-and-control infrastructure.