The move, which is seeking a fine “in the millions” and aims to establish a precedent, comes as scrutiny grows worldwide over data privacy, with US and European lawmakers currently investigating how tech companies treat user data.
In court documents, the Australian Competition and Consumer Commission (ACCC) accused Google of not explicitly getting consent or properly informing consumers of a 2016 move to combine personal information in Google accounts with browsing activities on non-Google websites.
“This change... was worth a lot of money to Google,” said commission chairman Rod Sims. “We allege they’ve achieved it through misleading behaviour.”
The change allowed Google to link the browsing behaviour of millions of consumers with their names and identities, providing it with extreme market power, the regulator added.
Sims said: “We consider Google misled Australian consumers about what it planned to do with large amounts of their personal information...