TransUnion
34 disclosures across 15 jurisdictions · 2022-08-04 → 2025-10-04. Severity score: 21 across 9 incidents (max per incident: crit=4 high=3 med=2 low=1; per-filing sum: 62).
Scope. This scorecard covers filings naming this entity record. Related records are scored separately: administrative services company (subsidiary record); TRANS UNION LLC (subsidiary record); TransUnion Risk and Alternative Data Solutions (subsidiary record).
1825-day window · this entity as victim
apparent from filed dates · see trail
of 6 clock verdicts
max per incident · per-filing sum: 62
Sector context · Finance
- This entity:
- 83.3% on-time (n=6 clock verdicts)
- Sector cohort:
- 25.6% on-time (n=2,336 clock verdicts)
Cohort: 6,577 filings from 2,120 organisations carrying NAICS 52 on the filing itself, same 1825-day window; merged entities counted once. Both percentages count clock verdicts through the same registry — a filing with no evaluable clock is excluded from both rather than counted as on time.
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 this entity's source filings.
- Maine4 on-time · 0 late · 1 informational · 5
- Texas0 on-time · 0 late · 1 informational · 1
- Massachusetts0 on-time · 0 late · 4 informational · 4
- Vermont0 on-time · 1 review · 0 late · 1
- Iowa1 on-time · 0 late · 1
- South Carolina0 on-time · 0 late · 1 informational · 1
- Leak gap14 leak preceded filing
us-mt — no notification-clock framework implemented for this jurisdiction
Discovery dates behind these clocks: 6 ag web form · 1 letter-grounded · 1 notification date · 5 unattributed. Only a date the notification letter itself states is fully defensible; a date derived from another field makes the verdict indicative.
Regulators holding filings from this entity
Every regulator that has received a visible filing naming this entity, all time — filings first.
- Montana State AG (7)
- Massachusetts State AG (5)
- Maine State AG (5)
- Indiana State AG (4)
- New Hampshire State AG (4)
- California State AG (2)
- Vermont State AG (2)
- Delaware State AG (1)
- Iowa State AG (1)
- Illinois State AG (1)
- Nebraska State AG (1)
- Oregon State AG (1)
- South Carolina State AG (1)
- Texas State AG (1)
- Wisconsin State AG (1)
SEC-registered (CIK 0001552033). SEC cyber filings on record in this corpus: none. Materiality under Item 1.05 is the registrant's own determination; the absence of a filing is a fact about this corpus, not a finding about any obligation.
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-ca | 0 | 0 | — |
| us-de | 0 | 0 | — |
| us-ia | 1 | 0 | 100% |
| us-il | 0 | 0 | — |
| us-in | 0 | 0 | — |
| us-ma | 0 | 0 | — |
| us-me | 4 | 0 | 100% |
| us-ne | 0 | 0 | — |
| us-nh | 0 | 0 | — |
| us-or | 0 | 0 | — |
| us-sc | 0 | 0 | — |
| us-tx | 0 | 0 | — |
| us-vt | 0 | 1 | 0% |
| us-wi | 0 | 0 | — |
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 |
|---|---|---|---|---|---|
| 2025-10-04 | state_ag | us-me | Low | 51 | |
| 2025-09-08 | state_ag | us-ne | Low | — | |
| 2025-09-04 | state_ag | us-nh | High | 16.5Kstate | |
| 2025-09-04 | state_ag | us-tx | Critical | 4.5M | |
| 2025-09-04 | state_ag | us-sc | Medium | 78.8Kstate | |
| 2025-09-04 | state_ag | us-ma | High | 95.3Kstate | |
| 2025-09-03 | state_ag | us-mt | Medium | 9.4Kstate | |
| 2025-09-02 | state_ag | us-or | High | 4.5M | |
| 2025-09-02 | state_ag | us-ia | High | 25.9Kstate | |
| 2025-09-01 | state_ag | us-vt | Low | — | |
| 2025-08-27 | state_ag | us-ca | Low | — | |
| 2025-08-27 | state_ag | us-me | High | 4.5M | |
| 2025-08-26 | state_ag | us-in | High | 4.5M | |
| 2025-08-26 | state_ag | us-wi | Critical | 4.5M? | |
| 2025-08-26 | state_ag | us-de | Low | — | |
| 2024-10-01 | state_ag | us-il | Low | — | |
| 2023-09-01 | state_ag | us-nh | Low | 3state | |
| 2023-03-10 | state_ag | us-vt | Low | — | VT AG >14 bday· discovery date: unattributed |
| 2023-03-10 | state_ag | us-me | Medium | 67 | |
| 2023-03-10 | state_ag | us-in | Low | 67 | |
| 2023-03-10 | state_ag | us-ma | Medium | 5state | |
| 2022-11-07 | state_ag | us-in | Low | 224 | |
| 2022-11-07 | state_ag | us-me | Medium | 213 | |
| 2022-11-07 | state_ag | us-ma | Medium | 14state | |
| 2022-11-04 | state_ag | us-mt | Low | 2state | |
| 2022-08-05 | state_ag | us-mt | Low | 3state | |
| 2022-08-05 | state_ag | us-mt | Low | 5state | |
| 2022-08-04 | state_ag | us-ca | Low | — | |
| 2022-08-04 | state_ag | us-mt | Low | 7state | |
| 2022-08-04 | state_ag | us-mt | Low | 3state | |
| 2022-08-04 | state_ag | us-me | High | 10.8K | |
| 2022-08-04 | state_ag | us-mt | Low | 3state | |
| 2022-08-04 | state_ag | us-ma | Medium | 175state | |
| 2022-08-04 | state_ag | us-in | Medium | 11.8K |