It's called Cracking Security Misconceptions and it's available as a free ebook here: http://www.oreilly.com/webops-perf/free/cracking-security-mi...
It's only 35 pages so as to not require a huge investment of time to ingest by design. My goal in creating the content is that it can help you, or someone you know, understand the realities facing modern information security professionals.
~ Andrew, CEO Signal Sciences
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