This Friday, Facebook confirmed that about 3% of Facebook Analytics' weekly app summary information was compromised. This information contains three indicators about the application: Number of new users, number of active users per week, page views The amount of data was incorrectly sent to the tester.
A Facebook spokesperson stated that the cause of the incident was an error in the email delivery system and stated that 'we are sorry for the error and we have updated our system to prevent it from happening again.'
Recently, Facebook has encountered a lot of troubles in data, especially privacy data. According to Reuters, Facebook has signed data sharing agreements with more than 60 companies worldwide, saying that this is a new way for users to create similar data to Facebook. The experience of many Chinese companies is also involved.