NAIC Confirms Data Breach via Oracle PeopleSoft Zero-Day Exploitation
The National Association of Insurance Commissioners (NAIC) confirmed a cyberattack on its Oracle PeopleSoft systems, part of a broader campaign exploiting a zero-day vulnerability (CVE-2026-35273). The exploitation occurred between May 27 and June 9, 2026, leading to the exposure of certain data.
Signal context
First seen: Jun 9, 2026
Last updated: Jun 29, 2026
Status: Public signal
Key points
- Exploitation of Oracle PeopleSoft zero-day vulnerability (CVE-2026-35273).
- Attack window: May 27 - June 9, 2026.
- Attributed to the ShinyHunters (UNC6240) threat group.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Finance and Insurance
Likely country: Location not provided
Watch internet-facing systems, credential abuse and exploit activity.
- Source type: outside the affected organization
Impact area: Confidentiality
Likely asset: User or customer data
- 23 signals in the same sector
- 88 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
ShinyHunters linked to exploitation of critical flaw in Oracle PeopleSoft | Cybersecurity Divehttps://www.cybersecuritydive.com/news/shinyhunters-oracle-peoplesoft-vulnerability-exploitation/718890/Public source from cybersecuritydive.com.
Security Incident Update - NAIChttps://content.naic.org/about/security-updatePublic source from content.naic.org.
NAIC Data Breach: 3.1TB of Data Compromised - Claim Depothttps://www.claimdepot.com/data-breach/naic-2026Public source from claimdepot.com.
NAIC confirms June data breach - Business Insurancehttps://www.businessinsurance.com/article/20260625/NEWS06/912345678/NAIC-confirms-June-data-breachPublic source from businessinsurance.com.
Security Incident Update - NAIChttps://www.naic.org/security_incident_update.htmPublic source from naic.org.
NAIC confirms June data breach - Business Insurancehttps://www.businessinsurance.com/naic-confirms-june-data-breach/Public source from businessinsurance.com.
NAIC confirms data breach with ShinyHunters claiming 3.1TB of data stolen in Oracle zero-day attack | TechRadarhttps://www.techradar.com/pro/security/naic-confirms-data-breach-with-shinyhunters-claiming-3-1tb-of-data-stolen-in-oracle-zero-day-attackPublic source from techradar.com.
NAIC Says Data Taken in Hack Has Been Published Online - Insurance Journalhttps://www.insurancejournal.com/news/national/2026/06/25/777777.htmPublic source from insurancejournal.com.
Terabytes of data dumped on the dark web after US insurance regulator hackedhttps://www.insurancebusinessmag.com/us/news/cyber/terabytes-of-data-dumped-on-the-dark-web-after-us-insurance-regulator-hacked-450000.aspxPublic source from insurancebusinessmag.com.
NAIC confirms cyberattack after ShinyHunters claims 3.1TB data theft | brief | SC Mediahttps://www.scmagazine.com/brief/naic-confirms-cyberattack-after-shinyhunters-claims-3-1tb-data-theftPublic source from scmagazine.com.
US Federal Insurance Regulator Confirms Data Breach Via Oracle Flawhttps://www.infosecurity-magazine.com/news/us-insurance-regulator-confirms/Public source from infosecurity-magazine.com.
Insurance Regulators Group NAIC Hit in Oracle PeopleSoft Hack - SecurityWeekhttps://www.securityweek.com/insurance-regulators-group-naic-hit-in-oracle-peoplesoft-hack/Public source from securityweek.com.
Related signals
Grouped by why the signal is relevant.
Aflac Life Insurance Japan Suffers Cybersecurity Breach Exposing Policyholder Data
Aflac Life Insurance Japan disclosed unauthorized access to its systems between June 15 and June 25, 2026. The breach affected files containing policy details, personal information, and bank account information of approximately 4.38 million customers. The company has suspended affected systems and is investigating the incident with third-party cybersecurity experts.
France's National Statistics Department (Insee) Reports Cyberattack on Staff Data
France's national statistics department, Insee, reported a cyberattack that exposed identity and professional contact data for approximately 12,800 current and former staff and related civil service personnel. The breach, detected on June 19, 2026, involved an internal staff directory (trombi.insee.fr). Insee stated that no sensitive information such as passwords, personal contact details, bank details, social security numbers, or health information was accessed. News of the incident was widely reported on June 26, 2026.
Trenitalia Suffers Cyberattack, Customer Data Compromised
Trenitalia, the Italian state-owned railway company, notified customers on June 26, 2026, about a cyberattack that led to unauthorized access of personal data related to travel tickets. The company detected the incident through internal checks and attributed it to 'unidentified external parties.' The attack itself reportedly occurred in November 2025. Compromised data included demographic and identification details, contact information, travel specifics, and loyalty card numbers, but no payment information or account credentials were affected.
Risk Strategies Discloses Data Breach Involving Personal and Medical Information
Risk Strategies (officially RSC Insurance Brokerage Inc.), an insurance brokerage and risk management firm, disclosed a data breach on June 26, 2026. The incident involved sensitive personal and medical information, with a report submitted to the Massachusetts Office of Consumer Affairs and Business Regulation on June 23, 2026. The exposed data included names, Social Security numbers, and for some individuals, medical information, medical records, and health, dental, or vision insurance details. At least 47 Massachusetts residents were affected.
Healthcare AI Company Xsolis Suffers Data Breach Impacting 1.4 Million Individuals
Healthcare AI company Xsolis disclosed a data breach affecting nearly 1.4 million individuals. The incident stemmed from a targeted phishing attack on January 20, 2026, which gave attackers unauthorized access to files containing sensitive patient information. The compromised data potentially includes names, dates of birth, Social Security numbers, health insurance details, and medical treatment records. Xsolis confirmed the incident has been contained and is notifying affected individuals, offering free credit monitoring.
Melli Bank Affected by Cyberattacks in Iran
Melli Bank was among three major Iranian banks affected by a wave of cyberattacks reported on June 23, 2026. The incident prompted a temporary nationwide suspension of card-based services to prevent unauthorized access. This follows an earlier wave of disruptions in mid-June.
