Michigan Attorney General Calls for New Data Breach Notification Law
Michigan Attorney General Dana Nessel has called for legislative changes to hold companies in the state more accountable for data breaches after Corewell Health failed to disclose a data breach promptly. Corewell Health has been affected by two massive data breaches this year, both of which occurred at vendors and affected more than a million Corewell Health patients. The first breach occurred at Corewell Health vendor Welltok, which had data stolen in May when the Clop hacking group exploited a vulnerability in Progress Software’s MOVEit Transfer solution. Corewell Health patients were notified about the breach on December 1, 2023, more than 6 months after the breach occurred.
AG Nessel’s comments came in response to a second such breach, which occurred at HealthEC, a vendor used by Corewell Health for analyzing patient data. HealthEC discovered the breach in July 2023 and notified Corewell Health in October that the data of its patients had been compromised. AG Nessel explained that the department in the state that is responsible for consumer protection did not hear about the breach until December 27, 2023, more than 5 months after the breach was detected.
It often takes several months for individual data breach notification letters to be issued, but when sensitive data is stolen it can be misused immediately. Individuals need to know that their data has been stolen quickly so they can take steps to protect themselves against identity theft and fraud. In both cases, complimentary credit monitoring and identity theft protection services have been offered but some of the affected individuals have already fallen victim to identity theft and fraud. Had those individuals been made aware of the breaches sooner, losses could have been prevented. Nessel is advocating for legislation that requires companies to notify the state immediately when a data breach is discovered.
Currently, 34 U.S. states have laws that require the state Attorney General or state agencies to be issued with timely notifications about data breaches that exceed certain thresholds, but there are no such requirements in Michigan. Without mandatory data breach reporting to improve transparency, there is little the state can do regarding enforcement.
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“What we would like to be able to do is to say, ‘You know, look, if you don’t properly secure and store data, or if you don’t report a data breach, you’re going to be subjected to significant fines.’ That’s what they do in other states, but not here in Michigan,” said Nessel. “Michigan residents have been subjected to a surge of healthcare-related data breaches and deserve robust protection.”
Regarding data security failures that result in data breaches, Michigan could take action and fine companies that are discovered to have violated the Health Insurance Portability and Accountability Act. Several state Attorneys General have imposed financial penalties for HIPAA violations, including Connecticut, Indiana, Massachusetts, Minnesota, New York, and New Jersey.



