Twitter to Pay $150 Million Fine Over Using Phone Numbers for Targeted Ads

FTC says personal data collected by Twitter for security purposes was also used for targeted advertising.

April 15, 2025 · 1 min · 54 words · Daniel Hamilton

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The conduct violated the FTC Act and the 2011 Commission Act.

It also violated the EU-US Privacy Shield and the Swiss-US Privacy Shield agreements, according to the FTC.

Twitter said some of the data was “inadvertently” used for advertising purposes.

Twitter must also notify its users that it misused their personal data.