Notice of Data Security Incident – Aesto Health

Clive, IA – September 10, 2026 – Iowa Digestive Disease Center (“IDDC”) has learned of a data security incident experienced by its healthcare data migration and archiving services provider, Aesto, LLC d/b/a Aesto Health (“Aesto”). IDDC is notifying about this incident and provide resources to assist them. IDDC encourages individuals to consider the recommendations in this notice, including visiting Aesto’s website at https://www.aestohealth.com/notice-of-data-security-incident-12-18-25/.

On or about December 18, 2025, Aesto experienced a network security incident that impacted a limited portion of Aesto’s Amazon Web Services infrastructure. Upon learning of the issue, Aesto commenced a prompt and thorough investigation. As part of Aesto’s investigation, Aesto worked very closely with external cybersecurity professionals experienced in handling these types of incidents. After an extensive forensic investigation and manual document review, on May 26, 2026, Aesto confirmed that between on or about December 2, 2025, and December 18, 2025, a limited amount of protected health information pertaining to IDDC, which was stored Aesto’s network, was acquired by an unauthorized actor. The impacted information included full names, Social Security numbers, and individual taxpayer ID number. Aesto has no evidence that any of the information has been misused.

IDDC is committed to maintaining the privacy of personal information in its possession and has taken many precautions to safeguard it. We continually evaluate and modify our practices to enhance the security and privacy of the personal information it maintains.

If you have any further questions regarding this incident, please call Aesto’s dedicated and confidential toll-free response line that Aesto set up to respond to questions at 833-918-8060. This response line is staffed with professionals familiar with this incident. The response line is available Monday through Friday, 8 am – 8 pm Central Time (excluding major U.S. holidays). Be prepared to provide your engagement number: B167683.

The privacy and protection of personal and protected health information is a top priority for us, which deeply regrets any inconvenience or concern this incident may cause.

We are providing the following information to help those wanting to know more about steps they can take to protect themselves and their personal information:

What steps can I take to protect my personal information?

• Please notify your financial institution immediately if you detect any suspicious activity on any of your accounts, including unauthorized transactions or new accounts opened in our name that you do not recognize. You should also promptly report any fraudulent activity or any suspected incidents of identity theft to proper law enforcement authorities.
• You can request a copy of your credit report, free of charge, directly from each of the three nationwide credit reporting agencies. To do so, free of charge once every 12 months, please visit www.annualcreditreport.com or call toll free at 1-877-322-8228. Contact information for the three nationwide credit reporting agencies is listed at the bottom of this page.
• You can take steps recommended by the Federal Trade Commission to protect yourself from identify theft. The FTC’s website offers helpful information at www.ftc.gov/idtheft.
• Additional information on what you can do to better protect yourself is included in your notification letter.

How do I obtain a copy of my credit report?

You can obtain a copy of your credit report, free of charge, directly from each of the three nationwide credit reporting agencies.  To order your credit report, free of charge once every 12 months, please visit www.annualcreditreport.com or call toll free at 1-877-322-8228. Use the following contact information for the three nationwide credit reporting agencies:

How do I put a fraud alert on my account?

You may consider placing a fraud alert on your credit report. This fraud alert statement informs creditors to possible fraudulent activity within your report and requests that your creditor contact you prior to establishing any accounts in your name. To place a fraud alert on your credit report, contact Equifax, Experian or TransUnion and follow the Fraud Victims instructions. To place a fraud alert on your credit accounts, contact your financial institution or credit provider. Contact information for the three nationwide credit reporting agencies is included in the letter and is also listed at the bottom of this page.

How do I put a security freeze on my credit reports?

You also have the right to place a security freeze on your credit report. A security freeze is intended to prevent credit, loans and services from being approved in your name without your consent. To place a security freeze on your credit report, you need to make a request to each consumer reporting agency. You may make that request by certified mail, overnight mail, or regular stamped mail, or online by following the instructions found at the websites listed below. You will need to provide the following information when requesting a security freeze (note that if you are making a request for your spouse, this information must be provided for him/her as well): (1) full name, with middle initial and any suffixes; (2) Social Security number; (3) date of birth; (4) address. You may also be asked to provide other personal information such as your email address, a copy of a government-issued identification card, and a copy of a recent utility bill or bank or insurance statement. It is essential that each copy be legible, display your name and current mailing address, and the date of issue. There is no charge to place, lift, or remove a freeze. You may obtain a security freeze by contacting any one or more of the following national consumer reporting agencies:

What should I do if my family member was involved in the incident and is deceased?

You may choose to notify the three major credit bureaus, Equifax, Experian and Trans Union, and request they flag the deceased credit file. This will prevent the credit file information from being used to open credit. To make this request, mail a copy of your family member’s death certificate to each company at the addresses below.