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[ISN] Five Tactical Security Metrics To Watch
By Robert Lemos
Feb 10, 2012
Ask security professionals for a list of important metrics, and expect
to get a long list with much debate. Yet information security managers
need a way to keep track of their progress on securing the network while
watching out for potential threatening situations.
Good metrics can help define the fight. While many professionals might
argue that it's better to have as much information on the security of
their networks as possible, too much information can blind practitioners
to what is going on, says Mike Lloyd, chief technology officer for
network monitoring and discovery firm RedSeal Networks.
"You don't have to have, nor want, a dashboard like an airplane," he
says. "You want a dashboard that's more like a car."
In its own dashboard for clients, RedSeal goes to one extreme: a single
overall score for network risk. Drilling down on the score is what
reveals the specific metrics that make up the score. A network map and
two top 10 lists round out the dashboard.
Verizon and its managed security practice focuses more on incident
metrics. Tracking what goes wrong can help an IT manager figure out
where to allocate resources, says Christopher Porter, a principal of
Verizon's RISK team.
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