AT&T discloses breach of call logs for nearly all wireless customers, May-Oct 2022

AT&T INC.

Threat actor exfiltrated records of call/text interactions from May 1-Oct 31, 2022 and Jan 2, 2023.
Data includes phone numbers, interaction counts, call durations; some records have cell site IDs. No content or SSNs.
Nearly all AT&T wireless customers and MVNO users affected; names not in data but linkable via public tools.
AT&T closed the access point, working with law enforcement; at least one person apprehended.
AT&T does not expect a material impact on operations or financial condition from the incident.

Key facts

Extracted from this filing and checked against the source text.

Cybersecurity Incidents SEC 8-K Item 1.05 confidence 0.9

AT&T INC. disclosed a cybersecurity incident: Threat actor unlawfully accessed and copied AT&T call logs from a third-party cloud platform, exfiltrating records of customer call and text interactions for specific periods, excluding content and sensitive personal information. Impact: Incident has not had a material impact on operations and is not reasonably likely to materially impact financial condition or results of operations. Company determined it not material. Discovered 2024-04-19.

Nature: Threat actor unlawfully accessed and copied AT&T call logs from a third-party cloud platform, exfiltrating records of customer call and text interactions for specific periods, excluding content and sensitive personal information.
Impact: Incident has not had a material impact on operations and is not reasonably likely to materially impact financial condition or results of operations.
Materiality: not material
Discovery: 2024-04-19

Exact text from the filing

As of the date of this filing, this incident has not had a material impact on AT&T’s operations, and AT&T does not believe that this incident is reasonably likely to materially impact AT&T’s financial condition or results of operations.

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Source: SEC EDGAR

accession 0000732717-24-000046

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