This isn’t
news to most electric power industry participants, but I’ll say it anyway:
Uncertainty about whether an entity will be held for NERC CIP violations if
they put information on BES Cyber Systems (BCSI) in the cloud imposes a big
cost.
I received a
good example of this when Mike Prescher of Black & Veatch, whom I know from
the Supply
Chain Working Group, wrote in about a problem they have. As you probably
know, B&V executes a lot of large projects for utilities and other
industries. To manage these projects, they have a number of tools that they’ve
built in the cloud. For example, on telecom modernization projects – which
always include a big enhancement of the customer’s telecom security – a project
can take days instead of weeks, and weeks instead of months, when they manage
the projects with these tools.
But some of
these projects are for the power industry, and I’m sure you can anticipate what
I’ll say next: In those cases, they don’t currently use those tools because they’re
worried about their clients being cited for CIP violations. Mike asked me to
clarify what their options were, and I replied (in line with this
post):
- There is nothing in the current CIP requirements that
prohibits keeping BCSI in the cloud. The Information Protection
requirement, CIP-011 R1, requires a program for protecting BCSI in
“storage, transit and use”. As far as this Requirement is concerned, it
doesn’t matter where the BCSI is, as long as it’s protected.
- The problem comes with four requirement parts in CIP-004,
which govern controls on people who access electronic or physical
locations of BCSI. And even then, the problem isn’t so much with the
requirement parts themselves, but with the evidence required. There is
simply no way a cloud provider could provide that evidence (which, as with
most CIP requirements, needs to include documentation that the requirement
part was followed in every instance, for every person), without abandoning
the cloud business model altogether, and becoming something like an
outsourced data center, where electric utilities store OT servers for
convenience, but maintain full management of them.
- So in order for BCSI to be officially allowed in the cloud,
there will need to be changes to some of the Requirements, or Measures, or
both in CIP-004. NERC is in the process of putting together a new drafting
team to draft whatever modifications are required, but of course those are
now years away from coming into effect. So the problem remains for the
foreseeable future: Since the NERC entity can’t provide acceptable evidence
of CIP-004 compliance when BCSI is stored in the cloud, any entity that
has BCSI in the cloud will be open to CIP-004 violations. I told Mike that
any entity who is looking for regulatory certainty should keep their BCSI
out of the cloud.
There are two good reasons why more than a few NERC entities are now storing BCSI in the
cloud. First, until
recently NERC was planning on moving a huge trove of CIP compliance data
(mostly BCSI, of course) to the cloud, in their Align project. That project’s
on hold now for other reasons (it seems the company that develops the GRC tool
they were going to use for it was bought by a Chinese entity – what could
possibly go wrong with that?), but if they had gone ahead with the project,
it’s hard to see how every NERC entity wouldn’t have felt completely free to
move all of their BCSI to the cloud. How could they ever have been cited for a
violation when NERC itself was the biggest violator? But even with that project
on hold, it will certainly be very hard for NERC to ever come down hard on anyone
storing BCSI in the cloud in the future, when they were very happy to do it
themselves.
Second,
there’s the example of virtualization. It’s no more “legal” to utilize VMs,
VLANs, or storage arrays within an ESP than it is to store BCSI in the cloud,
yet I doubt there’s any NERC entity today with High or Medium impact BES Cyber
Assets, who would hesitate to use virtualization because of fears of getting
cited for non-compliance with CIP – in fact, all of the NERC Regions talk
freely about how to do virtualization properly in an ESP, and NERC itself has
put out at least one document that discusses that subject. NERC entities
have been virtualizing in ESPs for a long time; I know at least one entity that
passed a CIP audit (probably the “first 13” spot check) in 2010 for their
virtualized Control Center.
Does this
mean that NERC entities need to just be patient and wait ten years before BCSI
in the cloud is widely accepted by NERC auditors and entities? I certainly hope
it’s not that long, but it’s certainly going to be 2-3 years before doing this
is officially “legal”. Until then, NERC entities have the choice of crossing
their fingers and putting BCSI in the cloud, or avoiding any uncertainty and
not doing that. But as Mike points out, there are lots of costs to not putting
BCSI in the cloud. And there will inevitably be more costs as time goes on.
Will we ever
reach the point at which NERC entities snap and demand of NERC and FERC that
they fix this problem? I doubt it, simply because it’s too easy to simply allow
your BCSI to be put in the cloud, especially when you know other entities in
your Region are doing it (and I’m sure this is being done in all Regions – in
fact, I attended a forum on using a certain cloud-based workflow tool for CIP
compliance last week. There were about ten entities there, from three Regions. There
are a good number of other entities using the same tool, in these and other
Regions). If nothing is done to change CIP-004, I think BCSI-in-the-cloud will
become like virtualization – close to ubiquitous, but technically still not
allowed by CIP.
At the
beginning of my first post
in this series on the cloud, I pointed out that there are two cloud questions
for CIP: putting BCSI in the cloud and putting BES Cyber Systems themselves in
the cloud (e.g. outsourced SCADA). I ended up doing five posts on the first
question; I’m concluding with the statement that the BCSI problem is
essentially solved, since NERC entities are doing it now, and they’re passing
audits – even if it may be years before this is totally “legal”.
My next post
(I doubt it will be the last) in this series will be on the second question.
That is much harder, and the outlook is much darker for that question.
Currently, there’s no way to put BCS in the cloud and be anywhere close to
100%, or even 50%, compliant with CIP. And I don’t see that changing until the
CIP standards are almost entirely rewritten.
Any opinions expressed in this blog post are strictly mine
and are not necessarily shared by any of the clients of Tom Alrich LLC.
If you would like to comment on what you have read here, I
would love to hear from you. Please email me at tom@tomalrich.com. Please keep in mind that
if you’re a NERC entity, Tom Alrich LLC can help you with NERC CIP issues or
challenges like what is discussed in this post – especially on compliance with
CIP-013. And Tom continues to offer a free two-hour webinar on CIP-013 to your
organization; the content is now substantially updated based on Tom’s nine
months of experience working with NERC entities to design and implement their
CIP-013 programs. To discuss this, you can email me at the same address.
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