User information was inadvertently transmitted to Google, Microsoft Bing and the social media platform formerly known as Twitter, according to Kaiser Permanente.

U.S. health conglomerate Kaiser is notifying millions of its members of a data breach earlier this month. In a legally required notice filed with the U.S. government on April 12 but made public on Thursday,

About 13.4 million current and former Kaiser Permanente members and patients were potentially impacted by a privacy breach, the health care provider said.

Kaiser Permanente informed 13.4 million current and former members and patients who accessed its websites and mobile apps that certain online tracking technologies may have transmitted personal information to third-party vendors Google, Microsoft Bing, and X when members accessed those websites or apps.

U.S. health conglomerate Kaiser is notifying millions of its members of a data breach earlier this month. In a legally required notice filed with the U.S. government on April 12 but made public on Thursday,

After conducting an investigation into the tracking technologies, Kaiser removed them. It notified the U.S. Department of Health and Human Services and California Attorney General Rob Bonta’s office of the breach on April 12.

In a revelation that has jolted the healthcare community, Kaiser Permanente has announced a significant privacy breach impacting approximately 13.4 million of its current and former members. The healthcare giant confirmed that sensitive data,

Ouch! Millions of Kaiser Permanente patients' data was likely handed over to Google, Microsoft Bing, X/Twitter, and other third-parties, according to the American healthcare giant.… Kaiser told The Register it has started notifying 13.