2026 Opportune LLP — cybersecurity incident; unauthorised network access (oil and gas accounting vendor)
Data compromised
Personal information of individuals connected to oil and gas clients who use Opportune’s accounting and payment services. The company offers Triple Bureau credit monitoring.
Technical writeup
Company notification letter filed with the California Attorney General on Oct 22, 2026. The AG page dates the breach to June 22, 2026. Opportune LP, a subsidiary, provides accounting and payment services to oil and gas companies. The company says it has no knowledge of misuse. The notice lists the affected information, which the AG page does not reproduce. recordsAffected 0 (count not listed).
Root cause
Not disclosed. Opportune learned that an unauthorised actor had gained access to its network environment.