Ericsson US reveals employee and customer data breach after third-party hack

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Ericsson US Reports Data Breach Following Service Provider Hack Ericsson Inc., the U.S. subsidiary of the Swedish telecommunications company, disclosed a data breach affecting an undisclosed number of employees and customers. The breach occurred after attackers compromised one of its service providers, prompting Ericsson to notify affected individuals and file reports with the California Attorney General on March 9, 2026. 18 sources 49