DisclosureLens
UnknownTelecom & MediaInformationGovernment IDCritical

AT&T INC.

bd_36f4d420cf6fa07e · schema v1 · pii pii-v1

Severity

Critical

Discovered

—

Filed

Apr 10, 2024

To disclose

—

Affected

161,272state residents only

Linked

13 filings

Confidence

95%
Full breach record for AT&T INC. →19 incidents on file

AT&T Inc. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-04-10. 161,272 Massachusetts residents were affected.

Leak gap clock✗ Leak >180d
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Apr 10, 2024

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 13 about the same incident.View merged incident
A leak claim by everest about this victim predates this filing by 530 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Show 6 more filings ↓up to 93d gap

Showing first 10 of 12 linked disclosures.

Filing propagation · 11 filings · 10 states

View merged incident ↗
South Carolina State AGApr 9 · first
California State AGApr 9 · first
Montana State AGApr 9 · first
Vermont State AGApr 9 · first
Indiana State AGApr 9 · first
Washington State AG+1d
Oregon State AG+1d
Massachusetts State AG+1d · this page
New Hampshire State AG+6d
Delaware State AG+16d
SEC 8-K+94d

Pattern: first filing Apr 9 (SC), last Jul 12 — a 94-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 12 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.