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	Podcast:		UC Science Today
	Episode:		How a new software tool works to improve computer network security
	Category:		Science & Medicine
	Duration:		00:01:03
	Publish Date:		2016-09-26 19:00:00
	Description:		A team of computer scientists and engineers at the Lawrence Livermore National Laboratory have developed a software-based tool called Network Mapping System, or NeMS, which improves network security. As computer scientist Domingo Colon explains, one of the limitations on current products is that they’re based on configuration. "So, they want to validate that your configuration is as you think it is. And that’s fine – but what we found is that how something is configured is not necessarily the same thing as how it’s used. Meaning, you might have configured it within a given intent, but someone might be using it for a different type of intent." And it’s not often nefarious. For instance, people may add products or devices to their computer that they think will be helpful to them. What NeMs does is allow network administrators and security personnel to keep a constant assessment of what that environment looks like. "It provides them a pretty immediate feedback to figure out who’s doing what and is this a problem. Sometimes you need that immediacy and to determine from that information is it something that you need to take action on."
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