Official register

Data breaches reported to the US Securities and Exchange Commission

Companies listed in the US disclose cybersecurity incidents to investors in 8-K filings: Item 1.05 for a material incident, Item 8.01 for others they choose to report. The tracker has read 157 of its notices since 6 February 2023. Each links to the company’s page, with everything else known about the breach. The register itself.

Last 30 days

2

2026 so far

43

On the tracker

157

From the data breach tracker: official notices, breach databases and the news, every fact with its source. Open data (CC BY 4.0) · How the tracker works · Official registers · Corrections and changes · Found a mistake? Tell us and we correct it.