Data Breach WatchDBW

Healthcare

High

investigation open

Updated about 1 month ago

Southern Illinois Dermatology Data Breach

▼ Key takeaways

•Reports suggest a potential breach involving Southern Illinois Dermatology.
•Discovered on December 28, 2025.
•Possible data exposed: Name, Address, Date of Birth, Medical Information, Health Insurance Details, SSN.
•Affects individuals in: Illinois, Missouri, Indiana.
•Confirmation level: Confirmed by regulators.

Breach confirmed

The Southern Illinois Dermatology breach is confirmed. If you may be affected, add your details below and we will take it from there.

Detailed summary

Southern Illinois Dermatology, a medical and cosmetic dermatology practice, experienced a data breach that was disclosed in early 2026. The incident involved unauthorized access to its IT systems, discovered on December 28, 2025. The company posted an official notification on its website and began mailing letters to affected individuals on March 15, 2026.

The breach affected approximately 45,000 individuals. The exposed data types include names, addresses, dates of birth, medical information (including treatment history and diagnoses), health insurance details, and Social Security numbers (SSNs). Financial account numbers were not confirmed as exposed. The breach appears to be a direct compromise of the provider's systems, not a vendor breach.

Details about data breaches can emerge over time, and notification processes may be delayed.

Data possibly involved

Name
Address
Could be combined with other data for identity theft
Date of Birth
Often used in combination with other data for identity theft
Medical Information
Health Insurance Details
Could be used for insurance fraud
SSN
Can be used to open fraudulent accounts and file false tax returns

Company Response Timeline

Response Grade

Notified consumers within 61–90 days

Breach Occurred

Dec 28, 2025

Company Discovered

Dec 28, 2025

Regulator Notified

Mar 10, 2026

Consumers Notified

Mar 15, 2026

0 days to discover

77 days to notify consumers

Breach Verification Status

Reports Only

Complete

Initial dark web reports of potential breach

Company Confirmed

Complete

Company has acknowledged the breach

Regulator Confirmed

Current

Confirmed by regulatory authorities

Note: Breach verification can take time. Information may evolve as more details become available from companies and regulators.

Case Status:

Investigation Open

We're actively investigating this case and seeking affected individuals.

Were you affected? Submit your information below.

Were You Affected By This Breach?

If you are a customer or have received a data breach notification, you may submit your information as part of our ongoing investigation. Submitting your information is free and does not obligate you.

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Check Your Risk Level

Answer a few questions to understand how this breach might affect you

Do you use Southern Illinois Dermatology?

Yes

What state are you in?

What should I do?

Change your passwords

Update passwords for the affected service and any accounts using the same password

Enable two-factor authentication

Add an extra layer of security to your accounts

Monitor your accounts

Watch for suspicious activity on your financial and online accounts

Watch for phishing attempts

Be cautious of emails or messages claiming to be from the affected company

Consider a credit freeze

Prevent unauthorized access to your credit report

Scan your email for other exposures

Check whether this address shows up in other known breaches. Free, no account.

Get your info off data-broker sites

Data Shield files removal requests with every broker that accepts an authorized agent, and gives you the exact link or letter for the brokers that only accept requests from you.

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