In May 2010, Webroot announced plans to open up its international headquarters in Dublin, Ireland. In August 2009, Webroot appointed a new president and CEO, former CEO of Wily Technology, Dick Williams. The international release of the security suite followed in early 2009. In October 2008, Webroot launched its first consumer security suite, Webroot Internet Security Essentials, in the United States. Webroot entered the enterprise market in 2004 with the launch of Webroot Spy Sweeper Enterprise, which combined Spy Sweeper with technology that enables IT administrators to deploy antispyware protection across an entire network. In October 2007, Webroot AntiVirus with AntiSpyware and Desktop Firewall was released with added firewall protection feature. The company introduced antivirus protection with the launch of Webroot Antivirus with Spy Sweeper and Spy Sweeper with AntiVirus in 2006. In 2002, Webroot launched a spyware blocking and removal product called Webroot Spy Sweeper.
Investors include venture capital firms such as Technology Crossover Ventures, Accel Partners and Mayfield. Webroot was founded in 1997 when entrepreneur Steven Thomas launched Webroot’s first commercial product, a trace removal agent called Webroot Window Washer.