3 Tips for BYOD

Wednesday, June 18, 2014

Brent Huston

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I wanted to take a few moments to talk about 3 quick wins you can do to help better deal with the threats of BYOD. While much has been said about products and services that are emerging around this space, I wanted to tack back to 3 quick basics that can really help, especially in small and mid-size organizations.

1. Get them off the production networks - an easy and often cheap quick win is to stand up a wireless network or networks that are completely (logically and physically) separated from your production networks. Just giving folks an easy and secure way to use their devices at the office may be enough to get keep them off of your production networks. Back this up with a policy and re-issue reminders periodically about the “guest network”. Use best practices for security around the wifi and egress, and you get a quick and dirty win. In our experience, this has reduced the BYOD traffic on production segments by around 90% within 30 days. The networks have been built using consumer grade equipment in a few hours and with less than $500.00 in hardware.

2. Teach people about mobile device security – I know, awareness is hard and often doesn’t produce. But, it is worth it in this case. Explain to them the risks, threats and issues with business data on non-company owned devices. Teach them what you expect of them, and have a policy that backs it up. Create a poster-child punishment if needed, and you will see the risks drop for some time. Keep at it and it just might make a difference. Switch your media periodically – don’t be afraid to leverage video, audio, posters, articles and emails. Keep it in their face and you will be amazed at what happens in short term bursts.

3. Use what you already have to your advantage – There are hundreds of vendor white papers and configuration guides out there and it is quite likely that some of the technologies that you already have in place (network gear, AD Group Policy Objects, your DHCP & DNS architectures, etc.) can be configured to increase their value to you when considering BYOD policies and processes. Quick Google searches turned up 100’s of Cisco, Microsoft, Aruba Networks, Ayaya, etc.) white papers and slide decks. Talk to your vendors about leveraging the stuff you already have in the server room to better help manage and secure BYOD implementations. You might save money, and more importantly, you might just save your sanity. :)

BYOD is a challenge for many organizations, but it is not the paradigm shift that the media and the hype cycle make it out to be. Go back to the basics, get them right, and make rational choices around prevention, detection and response. Focus on the quick wins if you lack a long term strategy or large budget. With the right approach through rapid victories, you can do your team proud!

This was cross-posted from the MSI State of Security blog.

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