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Hyundai Motor Group

Hyundai Motor Group Vendor Cyber Rating & Cyber Score

hyundaimotorgroup.com
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Hyundai Motor Group includes HYUNDAI, Kia, GENESIS and more affiliates in other industries such as construction, steel, finance etc. Hyundai Motor Group is a global corporation that has created a value chain based on automobiles, steel, and construction and includes logistics, finance, IT and service. With about 250,000 employees worldwide, the Group’s automobile brands include Hyundai Motor Co. and Kia Corp. Armed with creative thinking, cooperative communication and the will to take on all challenges, we are working to create a better future for all. For more information on Hyundai Motor Group, please see www.hyundaimotorgroup.com 현대자동차그룹은 단지 기업의 성장만을 위해서가 아니라 사람을 위한 더 나은 미래를 그리며 함께 나아가고자 합니다. 자동차와 부품, 건설, 철강에서 금융과 IT, 리조트 산업에 이르기까지


HMG A.I CyberSecurity Scoring

Incident Details
HMG
Company Information
Website:https://www.hyundaimotorgroup.com
Employees number:1,472
Number of followers:276,458
NAICS:3361
Industry Type:Motor Vehicle Manufacturing
Homepage:hyundaimotorgroup.com
Cyber Premium EstimationGet Supply Chain
HMG Risk Score (AI oriented)
Between 700 and 749
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HMGMotor Vehicle Manufacturing
Updated:
04/04/2026
736/1000
Moderate
Ba
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
✖ Insurance prefers TPRM score to calculate premium
HMG Global Score (TPRM)
xxxx
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HMGMotor Vehicle Manufacturing
•••
Score locked
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Findings

HMG
HMGModerate
Current Score
736Ba (MODERATE)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
738Before Incident
JUNE 2026
738Before Incident
MAY 2026
737Before Incident
APRIL 2026
737Before Incident
MARCH 2026
736Before Incident
FEBRUARY 2026
735Before Incident
JANUARY 2026
735Before Incident
DECEMBER 2025
734Before Incident
NOVEMBER 2025
732Before Incident
OCTOBER 2025
732Before Incident
SEPTEMBER 2025
731Before Incident
AUGUST 2025
730Before Incident
JUNE 2023
760Before Incident
Breach
16 Jun 2023 • HMG
Hyundai Motor Group (or its South Asian subsidiary, inferred from context)

Cloud Misconfiguration Exposes 70+ TB of Sensitive Data at South Asian Automotive Giant

707After Incident
CRITICAL-53
HYU1792817110325
A major automotive manufacturer in South Asia suffered a severe cloud misconfiguration incident exposing over 70 TB of sensitive data, including customer databases (names, addresses, PAN numbers), invoices, internal dashboards, fleet-telemetry data, and analytics platform access. The breach stemmed from hard-coded AWS credentials in public-facing code, weak client-side encryption, and over-privileged IAM roles granting unrestricted S3 access. Publicly accessible buckets, lack of continuous monitoring, and backdoor-style API tokens further amplified the risk. While no evidence of exploitation was confirmed, the exposure included test-drive/vehicle-location data, third-party fleet APIs, and database backups, creating a systemic risk across interconnected cloud systems. The issue, reported in 2023 and fixed by late 2025, highlighted critical gaps in secrets management, least-privilege controls, and storage governance, underscoring how misconfigurations—not sophisticated attacks—drive modern data breaches.
INCIDENT DETAILS -
TYPE
Data ExposureCloud MisconfigurationUnauthorized Access
IMPACT
Customer databases (names, addresses, PAN numbers)InvoicesDatabase backupsInternal dashboardsFleet-telemetry data (70+ TB)Test-drive dataVehicle-location dataAnalytics platform accessThird-party fleet API dataAWS S3 Buckets (hundreds)Spare-parts portalFleet tracking systemAnalytics platformThird-party fleet APIPotential unauthorized access to fleet telemetryExposure of analytics and API dataRisk of identity theft (PAN numbers)Compromised internal dashboardsHigh (due to scale of exposure and sensitivity of data)Erosion of trust in cloud security practicesPotential regulatory fines (PAN numbers exposed)Legal actions from affected customersIdentity Theft Risk: High (PAN numbers and personal data exposed)
DATA BREACH
Personally Identifiable Information (PII)Financial Data (invoices)Telemetry DataInternal Business Data (dashboards)API KeysDatabase BackupsSensitivity Of Data: High (PAN numbers, fleet telemetry, internal analytics)Data Exfiltration: Potential (no confirmation of actual exfiltration)None (plaintext AWS keys)Weak client-side encryption (easily bypassed)DatabasesInvoices (PDF/CSV)Log filesDashboard configurationsAPI tokensTelemetry dataNamesAddressesPAN numbers (Indian tax IDs)
REFERENCES
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Hyundai Motor Group Cyber Scoring History | Rankiteo