secwatch.observer — SEC 8-K summary
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Issuer:     AT&T INC. (T)
CIK:        0000732717
Form:       8-K
Filed at:   2024-07-12T23:59:59+00:00
Accession:  0000732717-24-000046
Event type: cyber
Sentiment:  negative
Materiality: 0.70
Item codes: 1.05, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

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

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/732717/000073271724000046/0000732717-24-000046-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/732717/000073271724000046/t-20240506.htm
  HTML page:      https://secwatch.observer/filing/0000732717-24-000046

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer