5 ms·BS. Kaspersky and others biggest market is on Windows. They thrive on sold Windows copies.by seivan 15y agoBS. Kaspersky and others biggest market is on Windows. They thrive on sold Windows copies.barista 15y agoby that logic touting that their biggest market is a secure OS does not help their bottomline does it?epo 15y agoNot necessarily, it could mean that one market is saturated and they are looking to open up new markets.