I am preparing for scwcd. I am searching for good material which will help me understanding topic viz.EL, Security & Filters well. I have gone thru HF for these topics but I need something more.Can anybody put light on some good material available for these topics from exam perspective ?
... and while you're there, the book contains thorough explanations of EL and filters as well, and currently still has the free international delivery promotion running on the website (see my signature below).
Also, there's the highly recommended mock exam available (a subscription is included free with the book, but it can be purchased separately):