The company said its systems were not breached and that attackers gathered the data by guessing the login credentials of a group of users and then scraping more people’s information from a feature known as DNA Relatives. Users opt into sharing their information through DNA Relatives for others to see.
"User opt in" -> Talk about stupidity.
There also seem to be hundreds of thousands of users of Chinese descent impacted by the leak.
"User opt in" -> Talk about stupidity.