InterCon Construction reports data breach exposing 6,600 people
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InterCon Construction, Inc., a Wisconsin-based utility contractor, is reporting a cybersecurity incident that compromised sensitive personal information of 6,634 individuals.
The company is a utility contractor headquartered in Waunakee, Wisconsin, specializing in infrastructure services for natural gas, electric, telecommunications, and renewable energy industries.
The breach was discovered on November 19, 2024, when the company detected unauthorized access to its computer network. The unauthorized access occurred between November 9, 2024, and November 20, 2024.
InterCon notified law enforcement and launched an investigation with the assistance of cybersecurity experts. On December 6, 2024, the investigation confirmed that certain files containing personal information had been compromised, including:
- Names
- Social Security numbers
The nature of the attack is not disclosed.
On January 30, 2025, InterCon Construction began sending notification letters to affected individuals. The notification letters include specific details about what information was compromised for each individual.
