American utility firm Itron discloses breach of internal IT network

Itron, a Washington-based utility technology company serving 7,700 customers across 100 countries, disclosed a cybersecurity breach via an SEC 8-K filing. An unauthorized third party accessed certain internal systems on April 13, 2026. The company activated its incident response plan, notified law enforcement, and engaged external advisors. The unauthorized activity has been contained with no observed follow-up, no customer systems were affected, and no material business disruption occurred. Insurance is expected to cover a significant portion of costs. No ransomware group has claimed responsibility, and the investigation is ongoing.