Notice of Data Security Incident

Cardiology Associates of Port Huron, P.C. (“Cardiology Associates”) is providing notice to impacted individuals of a recent event via this posting. Cardiology Associates identified suspicious network activity and immediately took action to secure its environment. There is no evidence that any personal information has been or will be misused. The security of personal information is very important to us, and we sincerely apologize for any inconvenience this may cause.

What Happened?

On or around June 14, 2026, we identified suspicious activity within our network. We immediately implemented our incident response protocols, took our network offline, and engaged external cybersecurity experts to conduct an investigation. The investigation determined that an unauthorized individual gained access to our network and may have accessed files containing protected health information.

What We Are Doing:

We want to assure you that we are taking steps to minimize the risk of this happening in the future. Since the incident, we have changed system and user passwords, restored our systems, and implemented additional endpoint threat detection tools in our network, among other measures. Again, we have no evidence that any of the information impacted by this incident has been misused, but we wanted to make you aware of this out of an abundance of caution.

What You Can Do:

We encourage you to remain vigilant against incidents of identity theft by reviewing bank accounts, explanations of benefits (EOBs), and other financial statements. You can also visit the Federal Trade Commission’s website for more information on protecting your identity at http://consumer.ftc.gov/identity-theft-and-online-security.

For More Information:

Individuals should contact 877-934-7212 with any questions. Protecting personal information is of the utmost importance to Cardiology Associates, and we sincerely apologize for any concern this incident may cause.

Cardiology Associates of Port Huron, P.C.

Posted 10/2/2026