Telefonaktiebolaget L M Ericssons Stiftelse för främjandet av elektroteknisk forskning

Ericsson Inc reported a data security incident involving a third-party service provider. Between April 17-22, 2025, unauthorized access occurred via a vishing attack on a service provider employee. The incident impacted the personal information (name and SSN) of approximately 15,661 individuals, including 21 Maine residents. Ericsson engaged forensic experts, notified the FBI, and provided 12 months of credit monitoring to affected individuals.

Ericsson Inc notified the California AG of a data security incident at a third-party service provider. Unauthorized access to certain data occurred between April 17 and April 22, 2025. The provider detected the suspicious event on April 28, 2025. A review completed on February 23, 2026, determined that some personal information (name and other data elements) was contained in the affected files. Ericsson is offering identity protection services to affected individuals.

Ericsson Inc. notified the New Hampshire Attorney General of a data security incident involving a third-party service provider. The provider experienced a vishing attack on April 28, 2025, leading to unauthorized access to limited data between April 17 and April 22, 2025. Approximately 97 New Hampshire residents were affected, with potential exposure of names and Social Security numbers. Ericsson engaged cybersecurity experts, reset passwords, notified the FBI, and provided 12 months of credit monitoring to affected individuals.

Ericsson Inc based in Plano, Texas, a business – retail or merchant entity reported a data breach to the Texas Attorney General. The breach was discovered on 2026-02-23 and reported on 2026-03-09. 4,377 Texas residents were affected. 15,661 individuals affected in total. Types of information involved: Name of individual;Address;Social Security Number Information;Driver’s License number;Government-issued ID number (e.g. passport, state ID card);Financial Information (e.g. account number, credit or debit card number);Medical Information;Date of Birth. Consumers were notified via U.S. Mail.

Ericsson Inc notified the Massachusetts Attorney General of a data security incident involving a third-party service provider. On April 28, 2025, the provider discovered a vishing incident targeting an employee. Unauthorized access to data occurred between April 17 and April 22, 2025. Affected data included names, Social Security numbers, and financial account information. Approximately 239 Massachusetts residents were notified on March 9, 2026. Ericsson is offering 24 months of credit monitoring.

Ericsson Inc notified Vermont AG that a third-party service provider experienced unauthorized access to files containing personal information (names, and potentially other data elements) between April 17-22, 2025. The incident was discovered on April 28, 2025. Ericsson offered complimentary identity protection services to affected individuals.

Ericsson Inc, a telecommunications company, notified Nebraska AG that a third-party service provider experienced a vishing incident between April 17-22, 2025. The attack targeted a single service provider employee, leading to unauthorized access to limited data including names, SSNs, and health information. Approximately 34 Nebraska residents were notified on March 9, 2026. Ericsson engaged cybersecurity experts, reset passwords, notified the FBI, and provided 12 months of credit monitoring.

Ericsson Inc reported a data breach to the Indiana Attorney General. The breach occurred on 2025-04-17 and was reported on 2026-03-09. 80 Indiana residents were affected. 15,661 individuals affected in total.

Ericsson Inc. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2017-08-02. 1 Massachusetts residents were affected. The report records the breach type as electronic.