Welcome to the Identity Theft Resource Center's (ITRC’s) Weekly Breach Breakdown for October 10, 2025. I'm Alex Achten, Senior Director of Communications & Media Relations for the ITRC. Thanks to Sentilink for supporting the ITRC and this podcast. Each week, we look at the most recent events and trends related to data security and privacy. Today, we will examine our Q3 2025 data breach findings.

The last time we inspected the latest data breach trends was in our H1 2025 Data Breach Report. At that time, we were on pace to track a record number of compromises in 2025. Cyberattacks were the primary cause of data breaches where personal information was stolen. Sixty-nine (69) percent of data breach notices did not include information about the root cause of the attack. What changed in the third quarter of the year? The short answer? Not much. Let’s dive into the Q3 2025 data breach numbers.

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