Newly revealed security research found that until recently, marketing tech giant Klaviyo was inadvertently sharing the sign-up information of its new customers, including their passwords, with outside advertisers. Sam Jadali, a security researcher and co-founder of cybersecurity startup Melurna , told TechCrunch that the web form on Klaviyo’s sign-up page was misconfigured between at least February 2024 through November 2025, though likely longer. The startup’s tests found that anyo…
Why this update matters
This developing story is relevant for readers tracking technology because it reflects fresh changes from the original source and signals where attention is shifting next.
Key details
The report was collected automatically and prepared for publication with a newsroom workflow that focuses on clarity, search visibility, and quick understanding.
Readers should review the original source for direct statements, official notices, and any later corrections or additions as the story evolves.
Related coverage
Continue reading with more reporting from the same topic cluster.