Barracuda Networks is getting into the Web application security business. The security vendor <A HREF="http://www.infoworld.com/article/07/09/17/Barracuda-buys-Web-security-vendor-NetContinuum_1.html">has acquired Santa Clara, California's NetContinuum,</A> a vendor of Web firewall appliances. Barracuda already sells Web filtering devices that prevent Web surfers from visiting malicious sites, but the NetContinuum products can be used to protect Web sites themselves.