Nothing New in Cloud Security
First Published Friday, 13th April 2012 02:30 pm from TIBCO Software : Don Adams
The opinions expressed by this blogger and those providing comments are theirs alone, this does not reflect the opinion of Automated Trader or any employee thereof. Automated Trader is not responsible for the accuracy of any of the information supplied by this article.
Many in the business and academic communities have been
up in arms that security risks are too high in cloud
implementations, and therefore the status quo is better for
sensitive government and commercial environments. Many of those
same individuals and organizations are pursuing research grants
to come up with new and revolutionary ways to meet this "menacing
challenge." Others joining the chorus have significant investment
and long-term contracts to exploit and continue to profit from
the status quo. In reality, the issues - when viewed clearly -
are the same for a cloud-hosted environment or any well-managed
bespoke data center. Let's delve into the fundamentals that we
have known for decades to address the security
questions about cloud deployments;l they are the
fundamental technical solutions we often ignore or forget in our
rush to pursue the "latest and greatest."
Let's begin by asking: "What do you know
about your cloud provider?" What certifications,
evaluations and practices define them? From Amazon Web Services
(which has nearly every certification from PCI and FIPS and FISMA
to FedRAMP) to your favorite legacy systems integrator, (who has
some subset of the measures of trustworthiness) you need to know
why they are adequate and appropriate to your information and
mission. While the mentioned certifications are mostly for
targeted environments, they are very significant to how much you
as an end-customer can trust their environment and
processes.
When
cloud became a rallying cry for efficiency in
enterprise and government, every legacy systems
integrator and outsource host suddenly redefined themselves as
cloud providers. This isn't necessarily a bad thing, but you
should understand how your cloud partner thinks, acts and most
importantly, how it accepts accountability for your
information.
The level of assurance you need
is tied to the sensitivity and value of the
information your applications or their cloud
applications are processing on your behalf. If you are moving
your marketing information and related processing to their cloud,
you only need to understand the availability, accessibility and
integrity measures your partner is providing. As long as they
deliver your information against a reasonable service level
agreement and assure you that the information delivered is
unaltered, that's all that you need from them. You
don't need to know about their ownership, employees,
certifications and detailed security practices. You don't care
who sees the information because its purpose is to be seen. You
just want to ensure that as many people as possible have access
to it.
When you process sensitive information
on your friendly cloud partner, you need to know who they are,
who owns or influences them, who their employees are and that you
can trust them as much as your own employees. You also need a
clear understanding of their physical and technical security
investments, as well as how often they test and evaluate all of
the above. Processing your, trade secrets, and proprietary,
financial or classified information requires a whole other level
of knowledge, but does not necessarily exclude any selected
partner as long as they are trustworthy enough. Trustworthiness
at this level can mean background investigations on not only
employees with access to your information, but for executives and
influencers like board members or significant investors. Beyond
knowing who runs your cloud, a lot
of technical issues impact their level of trustworthiness. Stay
tuned for more discussions about physical protections and their
limitations.
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