Twitter made headlines this week after being caught secretly misusing user data for advertising purposes.

The company admitted that for many years it had requested users to provide information such as phone numbers and email addresses to authenticate their accounts.

This information was then used for targeted marketing campaigns. Complaints about these improper actions were filed with the Department of Justice and the Federal Trade Commission.

In May, the company had agreed to pay a $150 million fine to resolve the issue, in addition to agreeing to notify the users whose data was used, and according to Associate Attorney General Vanita Gupta, this amount "This reflects the seriousness of the allegations against Twitter."

In addition to the fine, Twitter is prohibited from using personal data Data collected fraudulently to obtain some type of profit requires limiting employee access to the data, and notification to the FTC is mandatory in the event of a data breach.

As reported by the FTC, between May 2013 and September 2019, Twitter "It induced people to provide their phone numbers and email addresses, claiming that the company's objective was, for example, to 'protect their account'."", However, instead, the information was allegedly used "to deliver targeted ads to people – ads that made Twitter millions rich."

The FTC complaint also states that Twitter used the collected data to allow advertisers to target their ads to specific groups.

Twitter published an apology to affected users.

The apology was pinned to the top of the affected users' timelines, and the tweet stated that the company may have requested the phone number or email address to either protect or authenticate accounts, and may have used those phone numbers or email addresses to deliver personalized advertising until September 2019.

We are very sorry that this happened. If you have any questions or comments about this notice or about what we do to protect your information in the future, please contact Twitter's Data Protection Office.”, Finished.

FTC Chairwoman Lina Khan stated that Twitter obtained user data under the guise of using it for security purposes, but instead used it to target advertising.  "This practice affected more than 140 million Twitter users, while simultaneously boosting Twitter's main source of revenue.""Khan said."

The Twitter allegations state: "On June 6, 2022, we reached an agreement with the Federal Trade Commission to resolve this issue."in addition to highlighting that "They never disclosed or shared their phone number or email address with advertisers."

The practice violated the agreement signed between the EU-US Privacy Shield and the Swiss-US Privacy Shield, which obliges companies to follow certain privacy-related guidelines to legally transfer data from countries in the European Union and Switzerland.

"We are very sorry that this happened.""That concludes the Twitter statement."