Opportune LLP data breach

Clerk's notes

Opportune LLP, a firm specializing in energy consulting, officially disclosed a data security incident to the Vermont Attorney General on September 25, 2026. Given Opportune LLP's work involving complex financial and advisory services, the company routinely handles a substantial volume of confidential personal and corporate information.

While the specific nature of this incident was not detailed, such breaches at professional services firms frequently stem from sophisticated cyberattacks, like unauthorized network intrusions or vulnerabilities within vendor systems. These attacks often aim to bypass security measures and exfiltrate large quantities of sensitive data before detection.

The information reported as exposed in this incident includes individuals' Full Name, Social Security Number, Date of Birth, Wage and Compensation Information, Tax Return Information, Direct Deposit Account Details, Home Address, and Phone Number. The unauthorized release of these highly sensitive categories of data can create severe, long-term risks for those affected, including targeted identity theft, fraudulent tax filings, and potential financial account takeover.

Companies entrusted with safeguarding personal information are legally obligated to implement robust cybersecurity protocols. The occurrence of a data breach like this suggests that Opportune LLP may not have maintained reasonable security practices, leaving sensitive data vulnerable to exploitation by malicious actors.

If you have received a formal data breach notification letter from Opportune LLP, it indicates that your personal information was compromised. Affected individuals are encouraged to understand their legal standing. We offer a free case review to help you assess your options and determine if you are entitled to compensation.

If a notification letter about this breach reached you, see every Vermont data breach on file or browse all cases.