Security outsourcing! While the concept makes many managers happy (“Phew… no need to do security anymore” — yeah, right!), I have noticed that some smart MSSP leaders avoid the “O word.” If we are to believe Wikipedia, “outsourcing” implies “contracting out of a business process to another party.” On the surface, it sounds like “security monitoring” and “security device management” are perfectly fine business processes.
However, where does your security monitoring process end? If you think that it ends with some alert being triggered, then you have indeed been outsourcing the entire process. On the other hand, if you consider what happens after that alert is produced by an MSSP security analyst to also be part of your monitoring, then you ultimately INTEGRATE the processes (yours and MSSPs) rather than OUTSOURCE yours to an MSSP.
My early research conversations with both MSSP customers and providers themselves reveal the theme: those who think “integrate, NOT outsource” usually get much more value out of the MSSP relationship. In a dramatic break from my personal “policy” of not linking to vendor content from my Gartner blog (motivated by my utter lack of desire to waste time fighting idiotic accusations of ‘vendor favoritism’), here is a great example of integrated security operations with an MSSP:
(source: IBM via this blog)
Vendor-produced or not, I can recognize awesomeness when I see it. Thanks to @mikebsanders for an excellent resource.
Now, what does it all mean?
This means that for the MSSP to work well for you, process integration must be carefully planned. Here we talked about the alert response integration (and here about the SLAs), but the same applies to device management (integrate with your change management and reporting), incident response (integrate with your IR) and many other processes.
This also means that this focus on integration allows you to vary the degree of security ‘outsourcing’ or externalization. If your plan – monitor – triage – respond – refine chain is well planned, you can almost painlessly engage external resources (MSSP, consultants, etc) at whatever stage: need more help with cleaning the mess? Call that IR consultant. Want to shift some perimeter monitoring duties outside? Go get that MSSP. Want to bring specific application security monitoring tasks in-house? Do exactly that. Some process chunks will externalize well, some poorly [and some not at all], but at least you will have a predictable map of what goes where and who does what…
Blog posts related to this research on MSSP usage:
- On MSSP Personnel
- On MSSP SLAs
- Acting on MSSP Alerts
- MSSP Client Responsibilities – What Are They?
- Find Security That Outsources Badly!
- Challenges with MSSPs?
- How To Work With An MSSP Effectively?
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