DisclosureLens
HackingTelecom & MediaInformationStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDCredentialsFinancialMediumContained

AT&T INC.

bd_0a9f6e0692a2bbdc · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Apr 23, 2015

To disclose

Affected

Not disclosed

Linked

3 filings

Confidence

66%
Full breach record for AT&T INC.19 incidents on file

AT&T reported unauthorized access to customer accounts between February and July 2014. The incident involved an effort to request codes allowing phones to be used on other networks. While there is no evidence that Social Security Numbers or Customer Proprietary Network Information (CPNI) were acquired, this data was contained in the accessed system. AT&T offered one year of free credit monitoring to affected customers and strengthened account security policies.

Incident timeline

Feb 1, 2014

Begins

Apr 23, 2015

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
New Hampshire State AGApr 20 · first
California State AG+3d · this page

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.