AT&T INC.
17 disclosures across 13 jurisdictions · 2023-07-13 → 2024-09-01. Severity score: 9 across 5 incidents (max per incident: crit=4 high=3 med=2 low=1; per-filing sum: 43).
Scope. This scorecard covers filings naming this entity record. Related records are scored separately: AT&T MOBILITY LLC (subsidiary record); Cricket Wireless LLC (subsidiary record).
1825-day window · this entity as victim
none in window
of 3 clock verdicts
max per incident · per-filing sum: 43
Sector context · Information
- This entity:
- 100.0% on-time (n=3 clock verdicts)
- Sector cohort:
- 23.4% on-time (n=1,066 clock verdicts)
Cohort: 2,880 filings from 1,309 organisations carrying NAICS 51 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.
- California1 on-time · 0 late · 1
- Washington1 on-time · 0 late · 1
- Massachusetts0 on-time · 0 late · 1 informational · 1
- Vermont1 on-time · 0 late · 1
- South Carolina0 on-time · 0 late · 1 informational · 1
- Leak gap17 leak preceded filing
Discovery dates behind these clocks: 5 ag web form · 3 letter-grounded · 4 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.
- Massachusetts State AG (10)
- New Hampshire State AG (5)
- Illinois State AG (4)
- California State AG (2)
- Montana State AG (2)
- Vermont State AG (2)
- HHS OCR (1)
- SEC 8-K (1)
- Delaware State AG (1)
- Indiana State AG (1)
- Oregon State AG (1)
- South Carolina State AG (1)
- Washington State AG (1)
- Wisconsin State AG (1)
SEC-registered (CIK 0000732717). SEC cyber filings on record in this corpus: 1. 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 | 1 | 0 | 100% |
| us-de | 0 | 0 | — |
| us-federal | 0 | 0 | — |
| us-il | 0 | 0 | — |
| us-in | 0 | 0 | — |
| us-ma | 0 | 0 | — |
| us-mt | 0 | 0 | — |
| us-nh | 0 | 0 | — |
| us-or | 0 | 0 | — |
| us-sc | 0 | 0 | — |
| us-vt | 1 | 0 | 100% |
| us-wa | 1 | 0 | 100% |
| 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 |
|---|---|---|---|---|---|
| 2024-09-01 | state_ag | us-il | Low | — | |
| 2024-07-12 | sec_8k | us-federal | Low | — | |
| 2024-04-25 | state_ag | us-de | Medium | — | |
| 2024-04-15 | state_ag | us-nh | High | 61.1Kstate | |
| 2024-04-10 | state_ag | us-wa | Critical | 378.5Kstate | |
| 2024-04-10 | state_ag | us-ma | Critical | 161.3Kstate | |
| 2024-04-10 | state_ag | us-or | Critical | 51.2M | |
| 2024-04-09 | state_ag | us-sc | Critical | 1.1Mstate | |
| 2024-04-09 | state_ag | us-ca | Medium | — | |
| 2024-04-09 | state_ag | us-mt | High | 70.7Kstate | |
| 2024-04-09 | state_ag | us-vt | Medium | — | |
| 2024-04-09 | state_ag | us-in | Critical | 51.2M | |
| 2024-04-01 | state_ag | us-il | Low | — | |
| 2024-03-30 | state_ag | us-wi | Critical | 7.6M? | |
| 2024-03-01 | state_ag | us-il | Low | — | |
| 2024-02-01 | state_ag | us-il | Low | — | |
| 2023-07-13 | state_ag | us-vt | Medium | — |