Layered Unified Threat Management Approach Provides Uncompromised Network Protection SUNNYVALE, Calif., April 17 /PRNewswire-FirstCall/ — SonicWALL, Inc. (NASDAQ: SNWL), a leading secure network infrastructure company, announced today its customers utilizing the Unified Threat Management (UTM) and Email Security products are protected against the most recent spear-phishing attacks targeted at U.S.- based CEOs. The combination of SonicWALL’s Email Security (anti-spam, anti-phishing, and email p

