Researchers find that tracking pixels—small pieces of embedded code that can transmit user data to third parties—significantly increase data breach risk on hospital websites.

This article was copublished with The Markup, a nonprofit, investigative newsroom that challenges technology to serve the public good. Sign up for its newsletters here. Picture a high school student ...

Online tracking tools such as pixels are moving to the forefront of the debate about healthcare policy. Last month, the American Hospital Association and several allies in Texas sued the U.S. Health ...

In the world of digital marketing, tracking pixels have long been the secret sauce for companies trying to understand their customers. These tiny, invisible bits of code are embedded in websites and ...