kingofthecurve.com
Aug 6, 2026
Data breach of King of the Curve (KOTC), an MCAT preparation mobile app. The dataset contains detailed user analytics event data and unique user profile records including email addresses, display names, demographic information (age, gender, ethnicity, education level, household income), MCAT test dates and goal scores, academic institution details, device information, in-app purchase and subscription data, and behavioral/usage metrics. Data appears to have been exported from Amplitude analytics.
Data found in this dataset
Source files
Expand any file to inspect its column headers and the LLM's field-mapping reasoning, recorded during ingestion.
KINGOFTHECURVE_EVENTS__records.csv4 columns0 rows
File structure
Format: CSV·Delimiter: Comma·Has header: yes·Quote: "
| Source column | Mapped field | Confidence | LLM assessment |
|---|---|---|---|
| 1 | city | high | [1] header 'city', values are city names |
| 4 | country | high | [4] header 'country', values are country names |
| 31 | state | high | [31] header 'region', values are region/state names |
| 57 | skip | high | [57] header 'email', values are not shown but header implies email addresses |
Notes: Identified 4 PII columns: city, country, state (region), and email. All other columns are internal IDs, timestamps, device information, event metadata, or analytics data that do not contain PII.
KINGOFTHECURVE_UNIQUE__records.csv2 columns280,255 rows
File structure
Format: CSV·Delimiter: Comma·Has header: yes·Quote: "
| Source column | Mapped field | Confidence | LLM assessment |
|---|---|---|---|
| 1 | high | unlabeled column — sampled values parse as email addresses | |
| 8 | high | unlabeled column — sampled values parse as email addresses |
Notes: Heuristic auto-detection: header-named PII columns confirmed by data conformance