Google was sued on Tuesday in a proposed class action accusing the internet search company of illegally invading the privacy of millions of users by pervasively tracking their internet use through browsers set in "private" mode.

The lawsuit seeks at least $5bil (RM21.3bil), accusing the Alphabet Inc unit of surreptitiously collecting information about what people view online and where they browse, despite their using what Google calls Incognito mode.

According to the complaint filed in the federal court in San Jose, California, Google gathers data through...