Ericsson
Disclosed Mar 9, 20266 months ago15,661 affectedConfirmed
Ericsson US says vendor hack exposed data of 15,661 employees and customers
Ericsson Inc. told state attorneys general that attackers breached a service provider in April 2025 and stole files holding SSNs, ID numbers, financial and medical data of 15,661 people.
What is known
| People affected | 15,661 (as reported by the organization) |
|---|---|
| Disclosed | Mar 9, 2026 |
| Discovered | Apr 28, 2025 |
| Happened | Apr 17, 2025 |
| Attack | Vendor breach |
| Data exposed | Names, Addresses, Social Security numbers, Government IDs, Financial, Health, Dates of birth, Payment cards |
| Sector | Telecom · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Ericssonoag.ca.gov · Official notice | Official notice |
| Ericsson US discloses data breach after service provider hackbleepingcomputer.com · News | News |
| Texas Attorney General data security breach report BR-0004894: Ericssonoag.my.site.com · Official notice | Official notice |
| Vermont Attorney General: 2026-03-09 Ericsson Data Breach Notice to Consumersago.vermont.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Mar 9 | |
| Researchtotal | Mar 9 | 15,661 |
| Texas AGresidents of TX | Mar 9 | 4,377 |
| Vermont AGresidents of VT | Mar 9 |
History of this record
- 2026-09-25 · source: empty to https://ago.vermont.gov/document/2026-03-09-ericsson-data-breach-notice-consumers · backfill source
- 2026-09-25 · data_types: ["names","addresses","ssn","government-id","financial","health","dob"] to ["names","addresses","ssn","government-id","financial","health","dob","payment-card"] · backfill source
- 2026-09-25 · sector: other to telecom · seed source
- 2026-09-25 · attack: unknown to third-party · seed source
- 2026-09-25 · data_types: [] to ["names","addresses","ssn","government-id","financial","health","dob"] · seed source
- 2026-09-25 · records_basis: empty to organization · seed source
- 2026-09-25 · records: empty to 15661 · seed source
- 2026-09-25 · discovered: empty to 2025-04-28 · seed source
- 2026-09-25 · summary: empty to Ericsson Inc. told state attorneys general that attackers breached a service provider in April 2025 and stole files holding SSNs, ID numbers, financial and medical data of 15,661 people. · seed source
- 2026-09-25 · title: empty to Ericsson US says vendor hack exposed data of 15,661 employees and customers · seed source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.