Webroot Inc. is an American privately-held cybersecurity software company that provides Internet security for consumers and businesses.

[10] In July 2010 Webroot Internet Security Complete 2011 was released, including antivirus and antispyware protection, firewall capabilities, online back-up, password management licensed from LastPass, protection against identity theft and credit card monitoring for US customers.

[15] This included three basic products for Windows (SecureAnywhere AntiVirus, Essentials and Complete 2012) and security for Android and iOS mobile devices.

On March 26, 2019, Carbonite closed its acquisition of Webroot, with a purchase price of $618.5 million in cash.

[19] In November 2007, Webroot acquired UK-based Email Systems (EMS)[20] and announced itself as a provider in the security software-as-a-service (SaaS) market.

In December 2009, Webroot announced a partnership with virtual private network software provider AnchorFree.

[21] In March 2010, Webroot announced the acquisition of Swedish corporate Internet security company, Email Systems Scandinavia (ESS).

[25] In July 2013, Webroot and RSA Security formed a partnership to enhance both firms' real-time phishing detection.

[26] In September 2016 Webroot acquired the assets of CyberFlow Analytics,[27] a company applying data science to network anomaly detection.

Webroot inappropriately flagged 210 clean files, raising as many false positives as the other 19 products tested combined.

On February 22, 2017, in response to a customer complaint on WebRoot's community forum about this behavior, a WebRoot company representative replied, "...a site will automatically show as potentially suspicious if it hasn't garnered a large enough audience for our Team to review it.