Boston Capital Holdings Data Breach: What Affected Individuals Need to Know

According to Boston Capital’s public Notice of Data Security Event and the notification letter it filed with the California Attorney General, the company began reviewing a claim on February 12, 2026, that files had been copied from a portion of its computer network. Boston Capital states that it had cybersecurity specialists review the network and, through that investigation, validated that an unauthorized third party had accessed the network and copied certain files between January 16 and January 22, 2026.

The company describes the method as a highly sophisticated social engineering approach in which the unauthorized individual had control of other legitimate companies’ cloud systems and used them to circumvent Boston Capital’s security tools and permissions. According to the company’s FAQ, the incident was not a ransomware event, no files were locked, federal law enforcement was notified, and the network was reviewed and confirmed secure. Boston Capital posted its public notice on March 17, 2026, began mailing letters on May 18, 2026, once its file review was complete, and filed a further round of notices with state regulators in September 2026.

In its public notice, Boston Capital states that the types of information stored on the affected network vary by individual, but that name and the following types of information are collectively maintained there: Social Security number, driver’s license number, passport number, other government identification number, and financial account information without codes to access the accounts. Individual letters identify the specific categories that applied to each recipient.

The company reports it is not aware of misuse, but because Social Security numbers, passport and license numbers, and financial account details are among the categories involved, affected individuals may face an elevated risk of identity theft, new-account fraud, or targeted phishing and may wish to treat the situation with particular care.

Boston Capital Holdings LP is headquartered at 11 Beacon Street in Boston and operates in investment and real estate finance. The company’s notices do not specify whether the affected individuals are investors, employees, or others whose information it maintained, and it has not published a total count.

Filings with state regulators indicate a broad, multi-state population: the company’s California letter notes approximately 60 Rhode Island residents were notified, the Vermont Attorney General lists 33 Vermont residents in the May 2026 round and 150 more in a September 17, 2026 filing, and reporting on the company’s filing with the Oregon Attorney General indicates roughly 16,000 individuals in total, though Boston Capital itself has not confirmed that figure. If you received a letter from Boston Capital Holdings referencing this event or a Cyberscout enrollment code, that notice may indicate your information was among the data reported to have been affected.

Boston Capital reports that it had its network reviewed and secured by cybersecurity specialists, notified federal law enforcement, and is evaluating additional technical measures and reviewing staff training and supervision practices to reduce the risk of recurrence. The company states it is notifying individuals directly and providing complimentary identity monitoring.

According to the notification letter, affected individuals are offered single-bureau credit monitoring, credit report, and credit score services with proactive fraud assistance through Cyberscout, a TransUnion company, for 12 months from enrollment.

Given the identifiers involved, affected individuals may wish to consider a few precautionary steps:

• Enroll in the Cyberscout monitoring. If your letter includes a unique code, consider enrolling within the 90-day window stated in your letter.
• Consider a credit freeze or fraud alert. Both are free through Equifax, Experian, and TransUnion, and a freeze can help prevent new accounts from being opened with a stolen Social Security number.
• Watch financial accounts closely. Because financial account information may have been involved, review statements for unfamiliar activity and alert your bank to the incident.
• Review your credit reports. You are entitled to free credit reports at annualcreditreport.com.
• Stay alert to phishing. Be cautious of unexpected emails, calls, or texts referencing Boston Capital or the incident, and verify any outreach independently before responding.

This information is a general overview and is not legal advice; your situation may differ, and consulting a legal professional can help you understand rights that may apply to you.

If your personal or financial information may have been involved in the Boston Capital Holdings data breach, do you know what your options are? Our nationally recognized, award-winning team is here to help you understand your rights. Wilshire Law Firm offers free consultations and free case reviews with a legal professional, and we are available 24/7. Because we work on a contingency basis, there are no fees unless you get paid.

Contact Wilshire Law Firm today to schedule your free case review and get your questions answered.