Explained | How Facebook’s recent data breach affect its users Updated: Updated: April 15, 2021 17:07 IST CEO Mark Zuckerberg’s private credentials are part of the larger leaked data set from 2019 Share Article AAA Facebook logo is reflected in a drop on a syringe needle in this illustration photo taken March 16, 2021. | Photo Credit: Reuters CEO Mark Zuckerberg’s private credentials are part of the larger leaked data set from 2019 (Subscribe to our Today's Cache newsletter for a quick snapshot of top 5 tech stories. Click here to subscribe for free.) Facebook has suffered yet another data breach, only this time, private information from 533 million accounts have been leaked online. Even the company’s founder and CEO Mark Zuckerberg’s private credentials are part of the larger leaked data set from 2019.