Columbia University
13 disclosures across 12 jurisdictions · 2025-08-07 → 2026-05-20. Severity score: 10 across 3 incidents (max per incident: crit=4 high=3 med=2 low=1; per-filing sum: 31).
1825-day window · this entity as victim
apparent from filed dates · see trail
below 80%
max per incident · per-filing sum: 31
Compliance timing by regulator
Notice timing computed from the dates recorded in each filing — an indicative estimate from an automated clock, not a legal determination. Click any chip for the source filings.
- Maine1 on-time · 0 late · 1
- Washington1 on-time · 0 late · 1
- Texas0 on-time · 1 late · 1
- Vermont0 on-time · 1 review · 0 late · 1
- Oregon1 on-time · 0 late · 1
us-ca — clock not computable from the dates recorded in the filings
us-de — no notification-clock framework implemented for this jurisdiction
us-ia — clock not computable from the dates recorded in the filings
us-in — no notification-clock framework implemented for this jurisdiction
us-mt — no notification-clock framework implemented for this jurisdiction
us-nh — no notification-clock framework implemented for this jurisdiction
us-sc — no notification-clock framework implemented for this jurisdiction
Breach History (5-Year Lookback)
Historical incident recurrence, cumulative exposure, and per-jurisdiction compliance record
within lookback window
late notice filings
median days between incidents
Per-jurisdiction compliance record
| Jurisdiction | On-time | Late | Rate |
|---|---|---|---|
| us-me | 1 | 0 | 100% |
| us-or | 1 | 0 | 100% |
| us-tx | 0 | 1 | 0% |
| us-vt | 0 | 1 | 0% |
| us-wa | 1 | 0 | 100% |
Cumulative data type exposure
Disclosure timeline
Most-recent 100 filings. Click a row to open the disclosure detail.
| Filed | Source | Jurisdiction | Severity | Affected | Clocks missed |
|---|---|---|---|---|---|
| 2026-05-20 | state_ag | us-tx | Critical | 161.5K | TX AG >30d |
| 2026-05-07 | state_ag | us-nh | High | 11.1K | |
| 2025-08-12 | state_ag | us-nh | High | 2.3K | |
| 2025-08-08 | state_ag | us-ia | Low | — | |
| 2025-08-07 | state_ag | us-me | Medium | 2.0K | |
| 2025-08-07 | state_ag | us-wa | Medium | 54.1K | |
| 2025-08-07 | state_ag | us-in | Medium | 869.0K | |
| 2025-08-07 | state_ag | us-de | High | 2.5K | |
| 2025-08-07 | state_ag | us-mt | Low | 686 | |
| 2025-08-07 | state_ag | us-vt | High | 2.5K | VT AG >14 bday |
| 2025-08-07 | state_ag | us-ca | Medium | — | |
| 2025-08-07 | state_ag | us-sc | Medium | — | |
| 2025-08-07 | state_ag | us-or | High | 869.0K |