Data brokers have detailed files on you. Here’s what’s in them — and how it impacts you – The Markup
The Markupby Derek Kravitz for Consumer Reports, Colin Lecher, and with illustrations by Catherine Twomey·22d ago
This story is coreported with Consumer Reports. In several states, new privacy laws are forcing brokers to disclose the companies that bought your data.
Who’s buying your personal data: Disney, GM, your insurer and bank. Here’s what they get – The Markup
The Markupby Colin Lecher·22d ago
This story is coreported with Consumer Reports. The Arkansas-based data broker Acxiom claims it has data on billions of people around the world, including where they live and how they might spend...
How TikTok and Google ended up with information about doctor’s appointments around the world – The Markup
The Markupby Colin Lecher and Aline Melo, for Agência Pública·24d ago
Healthcare appointment site Doctoralia, which serves millions of people in Latin America and Europe, sent sensitive information about their medical appointments, including the specialties and names...
Defense tech has unleashed a new weapons boom in Southern California – The Markup
The Markupby Colin Lecher·2 Sept 2026
The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good.
Brazil gives parents social media controls for their kids. Should the US? – The Markup
The Markupby Colin Lecher, Maria Martha Bruno, and Natalia Viana·28 Jul 2026
This story was produced in partnership with Agência Pública as part of a series on how regulatory solutions adopted in Brazil could point the way for the U.S.
Kaiser nurses say surveillance of them is undermining healthcare – The Markup
The Markupby Khari Johnson·9 Jul 2026
The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good.
Californians can protect their personal data with one click. Help us test if it works – The Markup
The Markupby Colin Lecher and Mohamed Al Elew·30 Jun 2026
Hello there, Our names are Colin and Mohamed, and we’re both journalists at CalMatters and The Markup.
Your medical provider might be recording your mental health care visits – The Markup
The Markupby Roxsy Lin for American Community Media·16 Jun 2026
In 2024, Kaiser Permanente announced the rollout of Abridge. Described in a press release as “ambient listening technology,” the AI-powered scribe is designed to help clinicians including mental...
It’s easier for Californians to escape data brokers following a Markup investigation – The Markup
The Markupby Colin Lecher·22 May 2026
The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good.
Websites break California privacy law at ‘industrial scale,’ survey finds – The Markup
The Markupby Colin Lecher·21 Apr 2026
The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good.
Background checks to curb dating app violence advance in California legislature – The Markup
The Markupby Lynn La·17 Apr 2026
The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good.
The Markup wins SABEW Award for Best in Business Journalism – The Markup
The Markupby The Markup·30 Mar 2026
The Markup’s collaborative investigation “Dating App Cover-Up: How Tinder, Hinge, and Their Corporate Owner Keep Rape Under Wraps” has won in the Society for Advancing Business Editing and...
It was John Wayne’s political club. Now it’s spending millions on online influence – The Markup
The Markupby Colin Lecher·9 Mar 2026
The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good.
California colleges spend millions on faulty AI systems: 'The chatbot is outdated’ – The Markup
The Markupby Martin Romero·7 Mar 2026
The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good.
He saw an abandoned trailer. Then, he uncovered a surveillance network on California's border – The Markup
The Markupby Wendy Fry and Khari Johnson·6 Mar 2026
The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good.
Following Markup investigation, Congress finds data brokers cost consumers tens of billions of dollars – The Markup
The Markupby Colin Lecher·27 Feb 2026
The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good.
California tried to protect students’ data. Tech companies found loopholes – The Markup
The Markupby Adam Echelman·21 Feb 2026
The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good.
Are TikTok and X tracking you across the internet? Our privacy tool can now tell you – The Markup
The Markupby Miles Hilton·9 Feb 2026
Since 2020, readers have used Blacklight, our pioneering website privacy inspector tool, to run more than 18 million scans. Previously, Blacklight detected tracking pixels from Google and Meta.
Mamdani to kill the NYC AI chatbot we caught telling businesses to break the law – The Markup
The Markupby Colin Lecher and Katie Honan, THE CITY·30 Jan 2026
The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good.
‘We’re basically pushers:’ How a battle over kids on social media is unfolding in two California courtrooms – The Markup
The Markupby Colin Lecher·30 Jan 2026
The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good.
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