A couple of weeks ago I published my first Security Lessons. Since then I’ve received feedback (thank you all!) to create new lessons. Again I encourage you to send me new suggestions (via Twitter or writing a comment in this post). Here you can see the 2nd issue:

Lesson 11
Lesson 11
Lesson 12
Lesson 12
Lesson 13
Lesson 13
Lesson 14
Lesson 14
Lesson 15
Lesson 15
Lesson 16
Lesson 16