Chapter 15. Security Is like an Onion
Lucas Fontes
Your company is living the dream. You’ve found product–market fit, sales are growing, and the idea of an IPO or acquisition steadily inches closer to reality. One day, the leadership team brings in external help to navigate the IPO process, and the conversation goes like this:
Consultant: Everything is looking great! So tell us, how’s your security story?
Leadership: Well, we haven’t been hacked so I would say it is pretty good!
Consultant: How do you know you haven’t been hacked? What is your exposure?
Leadership: (stares into the abyss) I will get back to you on that.
As an SRE, one of your goals is to guide security controls and confidently answer questions related to risk management; but where should you start? I like the NIST’s CyberSecurity framework of Identify, Protect, Detect, Respond, and Recover. Use it as is or as a foundation for your own security journey.
Identify what is crucial to business continuity in terms of systems, data, and assets. Once identified, evaluate the risk associated with each concern and any changes required to achieve the desired state by asking questions such as: What is preventing someone from interacting with our servers at our colocation data center? How do we deal with misplaced laptops or phones?
To get started here, you’ll want to familiarize yourself with device encryption and ...
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