Understanding your OneBlood, Inc data breach notification letter
If a OneBlood, Inc letter arrived in your mailbox, here is what it means, why you received it, and the free steps you can take right now.
Why you received this letter
OneBlood, Inc. is a non-profit organization that operates as a critical healthcare provider specializing in blood collection, testing, and distribution services. Given the nature of their operations, the company maintains highly sensitive personal information, including donor health histories, medical screening results, and government-issued identification numbers required for blood donation eligibility. In 2025, OneBlood, Inc. officially reported a data security incident to the South Carolina Attorney General, confirming that unauthorized parties may have accessed sensitive information stored within their systems. If you have received a formal data breach notification letter from the organization, it indicates that your personal or health-related data was potentially compromised. This notice is intended to inform you of the incident and provide guidance on the protective steps you should take to secure your identity and medical records.
What to do after the letter
Confirm the notice is genuine
A legitimate OneBlood, Inc notice references the specific incident reported to the South Carolina Attorney General and describes which categories of your information were involved. Compare the letter against the public filing before acting on any links or phone numbers it contains.
Keep the letter — it is your proof of connection
The notification letter is the document that ties your personal information to this incident. Keep the original and photograph it. If you later request a case review, this letter is the strongest evidence that you were among the affected individuals.
Protect your accounts and credit
Depending on what was exposed, consider a free credit freeze with all three bureaus, new passwords for reused credentials, and monitoring of financial statements. These steps are free and do not require you to wait for anyone's permission.
Check the record against the public filing
You can verify the OneBlood, Inc incident against the filing reported to the South Carolina Attorney General. This registry summarizes what was filed; it does not provide legal advice.
This page summarizes a data breach reported to the South Carolina Attorney General for informational purposes. DataBreachInformation.com is a neutral reference registry and does not provide legal advice.