OneSource Medical Group Data Breach

▼ Key takeaways

•Reports suggest a potential breach involving OneSource Medical Group.
•Discovered on March 7, 2026.
•Confirmation level: Based on reports.

Detailed summary

On March 7, 2026, a ransomware attack targeting OneSource Medical Group was claimed by the Genesis group. This US-based healthcare provider of RCM and billing services has not publicly confirmed the data breach, nor has it released details regarding any data exfiltration.

The specific types of data compromised, such as PII, SSN, medical, or financial information, have not been disclosed. The number of affected individuals and the states impacted also remain unknown at this time. There is no information available regarding official notifications or an acknowledgment from OneSource Medical Group.

Details surrounding this incident may emerge as investigations continue. Official notices to affected individuals, if any, may be delayed.

Breach Verification Status

Reports Only

Current

Initial dark web reports of potential breach

Company Confirmed

Company has acknowledged the breach

Regulator Confirmed

Confirmed by regulatory authorities

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

Case Status:

Monitoring

We're monitoring this situation for developments.

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

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Do you use OneSource Medical Group?

Yes

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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