Note that this announcement from Cisco is sort of a "pre-announcement" in that the official CCIE Security 4.0 change hasn't been announced but will be really soon. This means if you want to take the v3 Security lab you should book your date ASAP.
The Real Life of an Expert: Introducing the New CCIE Security
CCIE Security 4.0 is unusual among security certificates for its up-to-date, real-world content. It emphasizes security competency and efficient problem solving in networks that use cloud services, carry voice and multimedia traffic, and are accessed by a variety of wireless devices.
The content, currently in development, may include real-world applications that involve:
Cisco will soon announce the blueprints for the CCIE Security 4.0 written and lab exams; the first exam will take place approximately six months later.
Although there are no prerequisites for registration, Cisco offers a preparation path through its CCNA and/or CCNP Security levels, and recommends that candidates have at least three years of hands-on network security experience.
Also I hope to see a few of you at the CCIE party here in London tonight. I'll be easy to spot as I'll probably be one of the only sober CCIE's there ;-) Lastly if you're really bored you could follow me on Twitter while I'm here at Cisco Live Europe: http://twitter.com/ccie2210