After about 3 months of studying I finally took my CISM exam and passed. It was tough. It was a lot tougher than I expected even with all the studying I put in. The CISM focus on mainly on management, so it required a different style of thinking compared to many of my other technical certifications I’ve taken.
If you’re thinking about getting your CISM certification I highly recommend the following book. It’s a lot easier to read than others, and it comes with a great practice test software.
(The book is not an ad nor do I get anything out of it for mentioning it. It’s just a great resource if you’re studying for the CISM exam.)