BYOD: Again one of these acronyms. It stands for "Bring Your Own Device". You'd also say that it stands for IT departments accepting that they've lost against their users. They have lost the discussion about which devices shall be allowed in corporate environments. When I travel by train, I observe an impressive number of different devices being used. There are Windows notebooks, netbooks, iPads, iBooks, other types of "pads", smartphones,...
For a long time corporate IT departments have tried to limit the number of devices to a small list, thus being able to manage and secure them. However, the reality especially in the world of mobile devices proves that most IT departments have failed. For sure many have restricted the access to corporate eMail to Blackberry devices. But many haven't managed to achieve that target. And the popularity of Apple devices increases the heterogenity of devices being used by employees.
It increasingly looks like the solution only can be acceptance. Accept, that users want to use different types of devices. Accept that the innovation especially around smartphones and pads is far quicker than corporate IT departments can adopt their management tools.
At first glance that sounds like a nightmare for corporate IT departments. How to manage these devices? How to secure the devices? However, it is not about managing or securing the devices. That would be "technology security". It is about managing and securing information, e.g. "information security". It's about the I in IT, not the T. Thus, we have to look at when to allow access to which information using which tool.
To do this, a simple matrix might be the starting point. The first column contains the classes of devices - notably not every single device. The first row contains the applications and information being used. In the cells you can define the requirements, based on the risk score of both the devices and the information. In some cases you might allow access based on secure browser connections, in others you might require to use virtual desktop connections. In others you might end up with having to build a specialized app. However, if banks are able to secure online banking on smartphones, why shouldn't you be able to secure your corporate information on these devices?
You might argue that building apps or deploying desktop virtualization is quite expensive. However, trying to manage all these different devices or trying to restrict the devices allowed is expensive as well - and much more likely to fail. I don't say that it is easy to protect your corporate information in a heterogeneous environment, supporting BYOD. But it is much more likely to be feasible than to manage and secure any single device - given the increasing number of these devices, the speed of innovation, and the simple fact that corporations don't own all these devices.
Thus it is about preparing for BYOD by providing a set of secure paths to access corporate information and to protect that information - and by understanding how to protect which information where. When you start with BYOD, do it risk-based.
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