Many companies are required to keep certain log files detailing important system events, but until now, most firms haven’t been properly analyzing them, if they analyze them at all. If there were more tools out there to make this easier I think a lot more people would actually use visualization. One researcher is trying to make the data easier to use. Raffael Marty, a security expert with log management firm Splunk Inc., wrote Applied Security Visualization, a book trumpeting the advantage of using sophisticated charts and graphs to better view log data.