---
schema_version: "secwatch.filing_event.v1"
accession: "0000732717-24-000046"
form_type: "8-K"
ticker: "T"
cik: "0000732717"
company_name: "AT&T INC."
filed_at: "2024-07-12T23:59:59+00:00"
generated_at: "2026-05-31T21:32:58.513227+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

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

## Summary
- 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.

## SEC filing metadata
- accession: 0000732717-24-000046
- form_type: 8-K
- ticker: T
- cik: 0000732717
- company_name: AT&T INC.
- filed_at: 2024-07-12T23:59:59+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.05, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/732717/000073271724000046/0000732717-24-000046-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/732717/000073271724000046/t-20240506.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000732717-24-000046
- JSON: https://secwatch.observer/filing/0000732717-24-000046.json
- Plain text: https://secwatch.observer/filing/0000732717-24-000046.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.