Cryptography Lessons (Course)

Here is an amazing set of online resources to help you understand and learn cryptography. How do 'Crackers' actually get into systems? Well its something that isn't so easily explained. However I found a nice simple source of video tutorials in which you can learn cryptography.

You will study a detailed, step by step lessons created by a real practicing cracker. You don’t need to be a PC guru and don’t even have to master any software programming languages.
 
These learning courses will show you how to crack software with both the most simple and the most sophisticated protection systems.

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Note: In fact, this is an extended version of the Lena tutorials.
The file is compressed with UHA for the maximum compression ratio.
Some of the cracking tools might show up as virus for some AVs