From Yahoo to Uber, major hacks of data
They follow scandals involving lax personal data protection procedures such as at Facebook where US-British political research firm Cambridge Analytica was able to harvest the data of 87 million users. Such scandals are, however, less frequent than cases in which data are stolen through hacking attacks on websites. The disclosure in October 2017 by Verizon, which acquired Yahoo's online assets in June, revised upward the initial estimate of one billion accounts affected. Equifax said hackers obtained names, social security numbers, birth dates, addresses and some driver's licence numbers, potentially exposing victims to identity theft. Ashley Madison had earlier offered to delete users' personal data for a modest fee but did not.