The Web threat hasn't gone unnoticed by the security industry, but securing Web traffic for corporate users has primarily been the terrain of specialized companies such as Websense, Surf Control and ScanSafe. All these companies offer products or services to block known malicious sites or scan Web traffic.
"The big guys, including ourselves, have not been able to keep up with the hackers. The threat landscape changes so fast," Chen said. Trend Micro is the third-biggest antivirus company in the world, after Symantec and McAfee.