On January 1, 2012, Kaspersky Lab officially left the Business Software Alliance (BSA) over SOPA.The BSA had supported the controversial anti-piracy bill, but Kaspersky Lab did not support it stating, "we believe that such measures will be used contrary to the modern advances in technology and the needs of consumers," and to show their disapproval, announced their intent to leave on December 5th, 2011.
As of 2016, the software has about 400 million users and has the largest market-share of cybersecurity software vendors in Europe.
Kaspersky Lab ranks fourth in the global ranking of antivirus vendors by revenue.
It was the first Russian company to be included into the rating of the world’s leading software companies, called the Software Top 100 (79th on the list, as of 6/29/2012).
Kaspersky Lab is ranked 4th in Endpoint Security segment according to IDC data for 2010.
Kaspersky's parental controls software was reviewed by PC Magazine.