Number Of Data Breaches In 2025 Data Breach

Number Of Data Breaches In 2025 Data Breach. Across those 333 data breaches, the records of.  — it governance's monthly analysis of data breaches and cyber attacks in 2025, including links to complete lists of publicly disclosed security incidents.

 — the average breach size in 2025 is 123,785 records and the median data breach size is 3,716 records. Here are some of the most significant data breach statistics pulled from the list below: