tldr; – Just Download the Spreadsheet
I put together an Excel spreadsheet that does all the calculations I am going to explain below. If you don’t need to know how the sausage is made, feel free to download it and plug in your numbers.Download here: ROI Calculator.xlsx
I am looking forward to speaking at the Georgia Annual ISSA Meeting on 11/15. The blog series that the talk is based on is below.
When I was leading the Network Security Group at the US Naval Postgraduate School, I was overwhelmed with the degree of failure we experienced. The amount of events, complexity of investigations and immature security infrastructure created an environment of perpetual failure. After gathering the basic business metrics I discussed in Metering Incident Response 101 I decided it was time to push the problem up the chain of command.
In 1995, I started my Navy training as an Aviation Electronics Technician. I spent more than a year learning electrical theory, how to use sophisticated tools (like time domain reflectors) and the logic associated with troubleshooting avionics. I was ready to go to mano a mano against any aircraft that was daft enough to challenge my acumen.
