Form Energy, Inc. Data Breach Affects 622 in MA

Form Energy, a developer of long-duration energy storage systems, experienced a data breach that exposed sensitive personal information of current and former employees. On Sept. 16, 2025, the company detected a ransomware attack. An investigation determined that the cyberattack compromised personal information belonging to employees working at Form Energy before and as of Sept. 2023.

Exposed information included names, addresses, dates of birth, Social Security numbers, bank account numbers, and identification verification documents such as driver's licenses, permanent resident cards, alien registration cards or passports. Form Energy began notifying affected individuals by mail on Oct. 22, 2025.

The data breach was also disclosed to the Massachusetts Attorney General’s office on Oct. 28, 2025, reporting 622 residents impacted. This type of cybersecurity incident puts individuals at risk for identity theft and financial fraud.

Form Energy's response

In response to the attack, Form Energy took affected systems offline and engaged cybersecurity experts to investigate and begin remediation steps. In addition to required state and federal disclosures, the company is offering impacted current and former employees a free 24 month Experian IdentityWorks membership. Services provided includes credit monitoring, identity theft protection and identity theft recovery.

If you receive a data breach notice from Form Energy, you may want to:

• Sign up for the free credit monitoring and identity theft protection membership by the Jan. 31, 2026 deadline.
• Monitor your credit reports and financial accounts for any unusual activity.
• Be alert for phishing emails or phone calls that may use your exposed information.
• Consider placing a fraud alert or credit freeze with major credit bureaus.

For more information about the company, visit the Form Energy website.