Data Breach

Facebook (Cambridge Analytica) Data Breach

87.0M records exposed • January 2015

A company called Cambridge Analytica tricked Facebook users into taking a quiz. The quiz secretly collected data on them and all their friends, then used it to target political ads.

What Happened

Cambridge Analytica harvested data from 87 million Facebook users through a personality quiz app. The data was used for political advertising targeting without user consent.

Attack method: API abuse via third-party app

What Data Was Exposed

Profile data, Likes, Friend networks, Political views, Location data

Is your business exposed?

What to Do If You're Affected

  1. 1.

    Review your Facebook app permissions

  2. 2.

    Revoke access from suspicious apps

  3. 3.

    Adjust Facebook privacy settings

Lessons for Businesses

  • Third-party app access can be abused
  • Social network data is valuable for manipulation
  • Users need more control over their data

Sources

Related Breaches

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