US District judge Lucy Koh announced the decision in California, and said those who sent emails to, or received emails from Yahoo Mail subscribers since October 2 2011 may sue as a group under the federal Stored Communications Act.Those users with different email accounts accused Yahoo of copying and analysing their emails including keywords and attachments, in order to create “targeted advertising” for its Yahoo Mail subscribers – around 275m. In 2014, Yahoo generated nearly 80 per cent of its revenue from search and display advertising. This accumulated data could have been used by the company to boost its advertising revenue, according to the claims of the lawsuit members. There is estimated to be over a million members in the privacy lawsuit. The judge also made an additional ruling permitting a group of holders of non-Yahoo accounts in California since 2 October 2012, to sue as a group for privacy infringement. Yahoo argued that some of those involved continued to email its subscribers, despite being aware of its activities and thereby consented to Yahoo accessing their emails. Koh rejected Yahoo’s arguments about consent as well as those claiming the alleged injuries were too different to justify class certification. Read more on cyber security:
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