KEY POINTS
  • The U.K.'s Information Commissioner’s Office is hitting Facebook with the maximum possible fine it can impose.
  • The decision follows an investigation into the use of data analytics for political purposes.
  • Facebook failed to safeguard people’s information, the ICO said, and was not transparent about the way in which user data was harvested by others.
Mark Zuckerberg, chief executive officer and founder of Facebook Inc. attends the Viva Tech start-up and technology gathering at Parc des Expositions Porte de Versailles on May 24, 2018 in Paris, France.

Facebook has been fined £500,000 ($644,600) in the U.K. after the country's privacy watchdog said it had carried out "serious breaches of data protection."

The Information Commissioner's Office (ICO) said Thursday that the personal information of at least 1 million U.K. users had been harvested by Facebook and subsequently put at risk.