Greylock Federal Credit Union Data Breach Lawsuit Investigation
Greylock Federal Credit Union (Greylock) reported a data security incident stemming from a mailing error that exposed sensitive member information on September 17, 2025. The credit union has notified affected individuals and is offering complimentary identity-theft protection. If you received a breach notice from Greylock, you may be entitled to financial compensation and free legal guidance—contact us today to learn more.
Download Official Breach Notice (PDF)Key Facts at a Glance
- Discovery date: September 17, 2025
- Public disclosure: October 8, 2025 (MA Attorney General filing)
- Total individuals affected: 2
- State(s) impacted: Massachusetts (2)
- Data exposed: Name, Social Security number, financial account number
- Free services offered: Two years of identity-theft and credit-monitoring services
What Happened?
According to Greylock’s regulatory filing, a form containing a member’s name, Social Security number, and account number was inadvertently mailed to a different member. Upon learning of the issue on September 17, 2025, Greylock:
- Immediately launched an internal investigation to determine the root cause of the mailing error.
- Contacted the unintended recipient, who confirmed the document was shredded and deleted from all devices.
- Filed a notice with the Massachusetts Attorney General on October 8, 2025.
Information Exposed
The form contained the following personal data of the two affected Massachusetts members:
- Name
- Social Security number
- Financial account number
Greylock’s Response
Greylock states it “takes this incident and the security of your personal information seriously.” The credit union has:
- Conducted an investigation to mitigate future risk.
- Concluded that the risk of misuse appears low.
- Extended two years of complimentary identity-theft and credit-monitoring services to all impacted members.
Steps You Can Take
Greylock’s notice advises affected individuals to:
- Enroll in the free identity-monitoring services as soon as possible.
- Review account statements and credit reports for suspicious activity for the next 12–24 months.
Additional protective measures—such as placing a fraud alert or security freeze—can further reduce the risk of identity theft.
Legal Options: Do You Have a Claim?
Even when the number of affected individuals is small, federal and state laws place strict duties on financial institutions to safeguard sensitive data. If you were one of the two members impacted by the Greylock data breach, you may:
- Qualify for monetary damages to cover time, out-of-pocket costs, and emotional distress.
- Seek a court order requiring Greylock to strengthen its security controls.
- Obtain reimbursement for credit-monitoring or identity-restoration services.
Our investigation is gathering evidence to determine whether Greylock fulfilled its legal obligations. Contact us for a free, confidential case evaluation.
Company Overview
Greylock Federal Credit Union is a member-owned financial cooperative headquartered in Pittsfield, Massachusetts.
- Website: greylock.org
- Founded: 1935
- Industry: Financial Services
- Headquarters: 150 West Street, Pittsfield, MA, USA
- Employees: 300
- Social: Facebook | Instagram | LinkedIn | YouTube
FAQ: Greylock Federal Credit Union Data Breach
How many people were affected by the Greylock Federal Credit Union data breach?
Greylock reported that 2 Massachusetts members had their information exposed.
What data was compromised in the Greylock Federal Credit Union breach?
The exposed form contained members’ names, Social Security numbers, and financial account numbers.
Is Greylock offering free credit monitoring?
Yes. Greylock is providing two years of complimentary identity-theft and credit-monitoring services to affected individuals.
Do I need to replace my Social Security card?
Replacing a Social Security card is not required for most breaches. However, you should monitor your credit reports and consider a fraud alert or security freeze.
Can I file a lawsuit against Greylock Federal Credit Union?
Possibly. Impacted members may be eligible to seek damages through a class action or individual claim. Contact our legal team for a free evaluation.
How do I enroll in the free identity-theft protection?
Greylock’s notification letter includes enrollment instructions and an activation code. Follow those steps by the stated deadline.