Cambridge Savings Bank Data Breach Lawsuit Investigation
Cambridge Savings Bank customers were recently notified of an unauthorized acquisition of sensitive personal information. If you received a breach letter, you can take steps now to secure your data and explore potential legal remedies.
Request a free, confidential case evaluation today.
Download Official Breach Notice (PDF)What Happened?
On November 21, 2025, Cambridge Savings Bank discovered that an unauthorized party had acquired personal information belonging to one individual. The bank, a wholly owned subsidiary of Cambridge Financial Group, Inc., investigated the incident and, on December 19, 2025, mailed written notifications to the affected person. The event was formally reported to the Massachusetts Attorney General’s Office on December 23, 2025.
Data Exposed
- Social Security numbers
- Financial account information
Who Is Affected?
The breach impacted one Massachusetts resident, according to the regulatory filing.
Bank’s Response
Cambridge Savings Bank is offering the affected individual a complimentary 18-month membership to Merchants Information Solutions, Inc.’s Defend-ID Platinum Program. The notification letter provides a unique certificate number and instructions for enrollment. Impacted customers can call (888) 418-5626 with any questions.
Additional Steps Recommended in the Letter
- Place a free security freeze with Equifax, Experian, and TransUnion.
- Monitor account activity and report suspicious transactions immediately.
- Request and review free annual credit reports at AnnualCreditReport.com.
- Report suspected identity theft to local law enforcement and the Federal Trade Commission.
Timeline of Key Events
- Discovery of unauthorized acquisition: November 21, 2025
- Consumer notice mailed: December 19, 2025
- Regulatory report filed (MA): December 23, 2025
Next Steps & Your Legal Options
Even a single exposed Social Security number can lead to tax fraud, new-account fraud, or other identity-theft crimes. Data privacy laws allow victims to pursue compensation if proper safeguards were not in place. By joining our investigation, you can:
- Determine whether Cambridge Savings Bank complied with all state and federal data-security requirements.
- Seek reimbursement for out-of-pocket expenses and time spent mitigating fraud.
- Help improve security practices to reduce future risk.
Contact us now for a no-cost consultation about your rights.
Company Overview
Cambridge Savings Bank is a community bank founded in 1834 and headquartered at 630 Massachusetts Ave, Cambridge, MA, USA. Operating in the banking industry, the institution reports approximately 25 full-time employees.
- Website: cambridgesavings.com
- Customer Service (breach-related): (888) 418-5626
- Facebook: @cambridgesavings
- Instagram: @cambridge_savings_bank
- LinkedIn: Cambridge Savings Bank
- X (Twitter): @cambridgebank
Frequently Asked Questions
I received a data breach letter from Cambridge Savings Bank — what should I do?
If you received the December 19, 2025 notification, review the letter carefully, enroll in the complimentary 18-month Defend-ID Platinum Program, place free credit freezes, and document any suspicious activity. You may also contact us to discuss legal options.
What information did the Cambridge Savings Bank breach expose?
The incident involved Social Security numbers and financial account information.
Did Cambridge Savings Bank offer credit monitoring, and for how long?
Yes. The bank is providing an 18-month membership to Merchants Information Solutions’ Defend-ID Platinum identity-protection program.
How many people were affected by the Cambridge Savings Bank breach?
The bank reported the breach to the Massachusetts Attorney General as affecting one individual.
How do I submit a claim related to the Cambridge Savings Bank data breach?
Start by contacting our legal team for a free evaluation. We will explain eligibility, help collect documentation (such as the breach letter), and guide you through potential claims.
Am I eligible to join a lawsuit against Cambridge Savings Bank?
If your personal information was involved, you may qualify. Eligibility depends on factors such as data exposed, resulting harm, and state law. Request a consultation to learn more.
How can I get the official breach notice (PDF) for Cambridge Savings Bank?
You can download the notice directly from the Massachusetts Attorney General’s website via the button above or by clicking here.