Rational Survivability

When my I interact with folks and they bring up the notion of “Cloud Security,” I often find it quite useful to stop and ask them what they mean.  I thought perhaps it might be useful to describe why.

In the same way that I differentiated “Virtualizing Security, Securing Virtualization and Security via Virtualization” in my Four Horsemen presentation, I ask people to consider these three models when discussing security and Cloud:

1. In the Cloud: Security (products, solutions, technology) instantiated as an operational capability deployed within Cloud Computing environments (up/down the stack.) Think virtualized firewalls, IDP, AV, DLP, DoS/DDoS, IAM, etc.
2. For the Cloud: Security services that are specifically targeted toward securing OTHER Cloud Computing services, delivered by Cloud Computing providers (see next entry) . Think cloud-based Anti-spam, DDoS, DLP, WAF, etc.
3. By the Cloud: Security services delivered by Cloud Computing services which are used by providers in option #2 which often rely on those features described in option #1.  Think, well…basically any service these days that brand themselves as Cloud… 😉

At any rate, I combine these with other models and diagrams I’ve constructed to make sense of Cloud deployment and use cases. This seems to make things more clear.  I use it internally at work to help ensure we’re all talking about the same language.

/Hoff

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