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Medical College of Wisconsin alerts patients about security incident involving employee email account

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Medical College of Wisconsin

MILWAUKEE — The Medical College of Wisconsin (MCW) has notified approximately 3,200 patients by letter about a recently discovered security incident involving an employee’s email account. That is according to a news release posted on MCW’s website.

The release indicates MCW has mailed letters to each individual who may be affected to notify them of the incident.

Here’s what happened:

“On July 5, 2016, the Medical College of Wisconsin noticed unusual activity associated with an employee’s email account. Immediately upon discovering the issue, they took action to prevent further access. They also simultaneously began an investigation and retained an independent computer forensic firm to investigate this abnormal activity. On August 3, 2016, the forensic investigation determined that an unauthorized third-party had accessed the email account over a limited three day period from July 2, 2016 to July 4, 2016. The forensic firm also confirmed that the incident did not impact the security of any other MCW email accounts, networks or servers.

“After completion of the forensic investigation, MCW devoted considerable time and effort to determine exactly what information was contained in the affected email account and at risk of disclosure. They conducted a sophisticated review of each document in the email account to ensure accuracy and confirm those potentially impacted. The email account in question contained full names, dates of birth, home addresses, medical record numbers, and codes or notes related to diagnosis or treatment provided. Also, the Social Security numbers of 2 patients were included in the email account. No health insurance, credit card, banking or other financial information was contained in the email account.”

MCW officials say they are not aware of any reports of identity fraud, theft, or other harmful activity resulting from this incident. There is no evidence that any personal or health information was actually acquired or viewed.

For further questions or additional information regarding this incident, patients may call a dedicated toll-free response line that has been set-up at 844-801-5966, Monday through Friday, 9 a.m. to 9 p.m. Central Time.

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