Security will not come naturally with IPv6
The next generation of Internet Protocols has some security features built into it, but IPv6 is not inherently more secure than the current IPv4 now in use, said Brett Thorson, network and security architect at Excivity and a security adviser to the North American IPv6 Task Force. IPv6 can be used to block, shield and hide data on your network, and the hackers already are learning to take advantage of this.
Source [ Nextgov ]
IPv6 Traffic: Do Not be Overly Alarmed
Some recent Network World articles have been written about the fact that organizations have IPv6 traffic on them even though they have not explicitly enabled IPv6 on their hosts or network devices. I don't want you to overreact to this news or to unnecessarily spread fear-uncertainty-and-doubt about IPv6. As far as the protocol goes, it is not drastically different than IPv4. There are steps you can take to protect your organization while preparing for your migration to IPv6.
If you got your print copy of Network World July 6-13, Volume 26, Number 23 you would see an article on the front cover titled "Hidden IPv6 traffic poses risk" by Carolyn Duffy Marsan. If you read the online version of Network World you might have read the same article titled "Invisible IPv6 traffic poses serious network threat" also by Carolyn Duffy Marsan. Carolyn also wrote another Network World online article titled "Five of the biggest IPv6-based threats facing CIOs".
These articles cover the fact that many organizations have some form of IPv6 traffic on their network and they do not even realize it.
Continue at source
Source [ NetworkWorld ]