Facebook has set up a help page to see if your personal information was shared with Cambridge Analytica:
How can I tell if my info was shared with Cambridge Analytica?
Recently, we shared information about the potential misuse of your Facebook data by apps and websites. We also shared plans for how we’re taking action to prevent this from happening in the future.
Check below to see if your information may have been shared with Cambridge Analytica by the app “This Is Your Digital Life.”
Was My Information Shared?
My Results:
Based on our available records, neither you nor your friends logged into “This Is Your Digital Life.”
As a result, it doesn’t appear your Facebook information was shared with Cambridge Analytica by “This Is Your Digital Life.”
Review and update the information you share with apps and websites by checking your settings.
Another helpful tool if you have not done so already: