Enterprise software leader SenSage, Inc. has earned the top spot in market share for security log management software in Japan, according to a report by Japanese market analysis firm ITR Corporation. The study of nearly 30 vendors that compete in the security log management market in Japan shows SenSage with a dominant market share of 30.4 percent, nearly twice that of the nearest competitor. ITR cited SenSage’s network of distribution and reseller partners and overall product quality as key differentiators in the marketplace.