This IT Security Lecture video explains about Security Categorization And Risk Analysis Tasks Of Assignment.
Here are some tutorial videos you may be interested to see :
Understanding About Password Entropy at http://www.youtube.com/watch?v=OuIDnvfPdrU
Using Blender As Non Linear Editor at http://www.youtube.com/watch?v=MG2DdlXeQoE
Knowing Internet Security At Network Layer And Link Layer at http://www.youtube.com/watch?v=x2qbLCoM0BY
This video was made by another YouTube user and made available for the use under the Creative Commons licence “CC-BY”. His channel can be found here: