Chase Bank Data Breach Exposes Social Security Numbers: Over 450,000 Affected

What Happened?

On February 26, 2024, JPMorgan Chase Bank, N.A. discovered a significant data breach due to a software issue. This incident was caused by an error that allowed unauthorized access to sensitive consumer data through certain reports run by three authorized system users. These users, associated with JPMorgan Chase customers or their agents, inadvertently had access to more information than they were entitled to see. This breach spanned over a period from August 26, 2021, to February 23, 2024.

Information Exposed

The types of consumer information exposed in this breach include:

• Name
• Address
• Social Security number
• Payment and deduction amounts
• Bank routing number
• Account number

JPMorgan Chase Bank, N.A.'s Response

In response to the breach, JPMorgan Chase Bank, N.A. took immediate action to secure the affected systems by implementing a software update to prevent further unauthorized access. The bank has also offered affected consumers two years of free credit monitoring through Experian’s® IdentityWorks® to help detect and resolve potential misuse of their information. Consumers are encouraged to enroll in this service using the information provided in the notice sent to them.

Steps to Take if You Are Affected

If you believe you were affected by this data breach, it is crucial to remain vigilant by monitoring your financial accounts and credit reports regularly. Here are some steps you can take:

1. Review your account statements and credit reports for any unauthorized activity.
2. Consider placing a security freeze on your credit reports to prevent new credit from being opened in your name without your consent.
3. Report any suspicious activity to your financial institution immediately.
4. Take advantage of the free credit monitoring service offered by JPMorgan Chase Bank, N.A.

About JPMorgan Chase Bank, N.A.

JPMorgan Chase Bank, N.A., part of JPMorgan Chase & Co., is a global leader in financial services, providing solutions to clients in over 100 countries. With a history spanning more than 200 years, the bank has built a reputation for prioritizing client interests and offering a comprehensive range of services.

For further details on the breach and additional resources, please visit the disclosure pages on the Maine Attorney General's website, the Massachusetts Attorney General's website, and the California Attorney General's website.