Understanding your 100Automobile Club of Southern California (ACSC) data breach notification letter
If a 100Automobile Club of Southern California (ACSC) 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
The Automobile Club of Southern California (ACSC) filed a data breach report in Indiana in March 2026, stemming from an incident on July 10, 2025. This breach exposed a range of sensitive customer data, potentially putting individuals at risk of identity theft and financial fraud.
Information the filing reports as involved
- Full Name
- Social Security Number
- Date of Birth
- Driver's License Number
- Insurance Policy Number
- Financial Account Number
- Mailing Address
- Payment Card Information
What to do after the letter
Confirm the notice is genuine
A legitimate 100Automobile Club of Southern California (ACSC) notice references the specific incident reported to the Indiana 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 100Automobile Club of Southern California (ACSC) incident against the filing reported to the Indiana Attorney General. This registry summarizes what was filed; it does not provide legal advice.
This page summarizes a data breach reported to the Indiana Attorney General for informational purposes. DataBreachCaseFile.com is a neutral reference registry and does not provide legal advice.