Idaho National Laboratory (INL), operated by Battelle Energy Alliance, LLC, reported a cyber data breach affecting an off-site data center housing employee, former employee, spouse, and dependent information. The breach occurred on November 19, 2023, and was discovered on November 20, 2023. Exposed data included names, social security numbers, salary information, and banking details. INL restricted server access, alerted federal law enforcement (DOE, FBI, CISA), and is offering 24 months of Experian IdentityWorks. The investigation is ongoing.