Sunday 11 July 2010

MESP and EaaS

I've just watched a fascinating documentary about the Rolls Royce jet engine company. I had always thought of them as a Plain Old Engine Company. To my surprise and delight, it turns out that they're an EaaS and an MESP.

As part of their offering, they provide a service package with each engine. The Airline companies are guaranteed an engine, no matter what, and only pay for the miles they clock up. This is, rather wonderfully, Engine as a Service (EaaS).

In addition, each serviced engine has a near real-time monitoring system (approx 90 sec delay), which allows engineering staff located at a operations centre to follow and respond to any particular issues flagged by the monitoring system. Any reported problems are then dealt with by ground crews at the appropriate airport at which the plane will land. The data sent in to the operations centre is analysed, and deviations from the norm are flagged and followed up. This, of course, sounds exactly like the Managed Security Service Provider (MSSP) model that has expanded a great deal in recent years. However, this instance should probably be called a Managed Engine Service Provider (MESP).

What fascinates me about this model is the emphasis on an engineering approach from the testing, build and deployment of each engine component, right through to the assembly, commissioning, and even in-air monitoring of the system. I wonder how this impacts on the false positive metrics that the operation centre employees must deal with, and whether there is as large a problem as it is with an MSSP engineer monitoring the voluminous output from a computer system.

There's an old(ish) debate within the software engineering community that states there's not enough emphasis on the engineering side. Lack of engineering approaches has led to code defects, and therefore the abundance of security issues that need to be dealt with. Combine that with the fact that we look for security events in stupendous volumes of data that is highly unlikely to yield useful information, and is often not fit-for-purpose, then you've got a serious problem when trying to hunt down serious problems. Not all security problems are based on defects caused by lack of standards, but it would be interesting to see how a modern MSSP would look if we had an operating system equivalent of Rolls Royce.

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