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Case file

Case File: Opportune LLP Data Breach

This file collects the dated facts on record for the Opportune LLP incident. The state report is dated September 25, 2026.

Timeline

  1. September 25, 2026Report filed in VermontDate the notice was lodged with the Vermont Attorney General.

Case facts

Filing state
Vermont
Date reported
September 25, 2026
Receiving office
Vermont Attorney General

Data categories in the file

  • Full Name
  • Social Security Number
  • Date of Birth
  • Wage and Compensation Information
  • Tax Return Information
  • Direct Deposit Account Details
  • Home Address
  • Phone Number

Case notes

Opportune LLP, a specialized energy consulting firm, filed a notice of a data security incident with the Vermont Attorney General's office on September 25, 2026. Given Opportune LLP's work with highly sensitive financial and corporate information, the firm routinely collects and stores extensive personal data, including confidential employee and client details.

The nature of the breach was not specified in public filings, but security incidents at professional services firms often involve unauthorized access to internal systems or the exploitation of vulnerabilities. Such events can lead to the covert extraction of large volumes of personal and proprietary data before detection.

The exposed data categories identified in the filing include 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 such sensitive information creates significant risks for affected individuals, including potential identity theft, fraudulent tax filings, and unauthorized credit applications.

Firms handling sensitive personal data, such as Opportune LLP, are expected to maintain robust cybersecurity measures to protect this information. The occurrence of a data breach suggests that security protocols may have been insufficient, leaving confidential data vulnerable to compromise.

Individuals who receive a data breach notification from Opportune LLP should promptly review all financial statements and credit reports for any suspicious activity. Consider placing a fraud alert or security freeze on your credit files with the major credit bureaus to help prevent unauthorized access to your credit. Be cautious of unsolicited communications that request personal information, as these could be phishing attempts related to the breach.

Questions about this case file

Where does the Opportune LLP case file come from?
Every entry is taken from the breach report Opportune LLP lodged with the Vermont Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?
Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?
It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?
Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

More Vermont case files

Vermont data breaches

Filing source: Vermont Attorney General