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Yamaha Motor Co., Ltd.

Yamaha Motor Co., Ltd. Vendor Cyber Rating & Cyber Score

yamaha-motor.com

Yamaha Motor is a world-leading enterprise known for its products for land mobility, such as motorcycles, all-terrain vehicles, and electrically power-assisted bicycles, marine products, such as boats and outboard motors, and industrial machinery and robots, such as surface mounters and drones. The company’s diverse business portfolio and wide variety of products are built around its proprietary technologies focused on powertrains, chassis and hulls, electronic control, and manufacturing. Yamaha Motor conducts development, production, and sales through a network of 140 subsidiaries and equity-method affiliates in 30 countries and regions, working to realize our Corporate Mission of being a Kando* Creating Company. About 90% of our


YMCL A.I CyberSecurity Scoring

YMCL
Company Information
Website:https://global.yamaha-motor.com/
Employees number:4,887
Number of followers:123,680
NAICS:3361
Industry Type:Motor Vehicle Manufacturing
Homepage:yamaha-motor.com
YMCL Risk Score (AI oriented)
Between 700 and 749
logo
YMCLMotor Vehicle Manufacturing
Updated:
03/04/2026
701/1000
Moderate
Ba
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
Insurance prefers TPRM score to calculate premium
YMCL Global Score (TPRM)
xxxx
logo
YMCLMotor Vehicle Manufacturing
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Findings

YMCL
YMCLModerate
Current Score
701Ba (MODERATE)
01000
2 incidents
-19 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
707Before Incident
JUNE 2026
706Before Incident
MAY 2026
702Before Incident
APRIL 2026
702Before Incident
MARCH 2026
699Before Incident
FEBRUARY 2026
717Before Incident
Cyber Attack
27 Feb 2026YMCL
Citroën, Fiat, Diesel, Asus, Bandai, Toyota, Fila, BenQ, Yamaha, Lindt, Trump Organization and Magento: Hackers Compromised 7,500+ Magento Websites to Upload Hidden Malicious Files and Steal Data

Massive Magento Cyberattack Compromises 7,500+ E-Commerce Sites Since February 2026

698After Incident
CRITICAL-19
DIETOYFILASUCITBENMAGLINYAMFIATHEBAN1774023969
Massive Magento Cyberattack Compromises 7,500+ E-Commerce Sites Since February 2026 A large-scale cyberattack campaign has compromised over 7,500 Magento-powered e-commerce websites since late February 2026, with attackers uploading malicious files to publicly accessible web directories across 15,000+ hostnames. The campaign, tracked by Netcraft researchers, marks one of the most extensive Magento-focused attacks in recent years, affecting businesses, government agencies, universities, and non-profits worldwide. ### Scope and Impact The attack exploited a file upload vulnerability in Magento environments, allowing threat actors to deposit unauthorized files without authentication. Victims include high-profile brands such as Toyota, Fiat, Citroën, Asus, Diesel, Fila, Bandai, FedEx, BenQ, Yamaha, and Lindt, as well as government and university domains in Latin America and Qatar. Several Trump Organization-affiliated sites including trumpstore.com, trumphotels.com, and booktrump.com were also compromised, though researchers confirmed these were incidental targets in an indiscriminate sweep. Most defacements occurred on subdomains, staging environments, or regional storefronts, with only a few live customer-facing sites briefly impacted before remediation. Attackers left behind text files displaying aliases L4663R666H05T, Simsimi, Brokenpipe, and Typical Idiot Security alongside "greetz" messages, a common practice in defacement circles. A subset of defacements on March 7, 2026, included geopolitical messaging, though analysts determined this was not the campaign’s primary motive. ### Technical Details The attack leveraged an unauthenticated file upload flaw in Magento, enabling attackers to write files directly to web servers without credentials. Netcraft researchers successfully replicated the behavior on a Magento Community 2.4.9-beta1 test instance, demonstrating that even updated installations could remain vulnerable under certain configurations. The affected platforms include Magento Open Source, Magento Enterprise, Adobe Commerce, and Adobe Commerce with the B2B module. While Adobe released security bulletins around this period, the observed exploit does not directly align with the published fixes. The campaign shares similarities with the SessionReaper Magento vulnerability from October 2025, which also involved unauthorized file access. ### Attacker Activity and Documentation The threat actor behind the campaign, operating under the handle "Typical Idiot Security," self-reported many compromised sites to Zone-H, a public defacement archive. This suggests the attacker sought recognition within the defacement community rather than pursuing financial or political objectives. As of the latest reports, new compromised sites were still emerging, indicating the campaign remained active. Organizations running Magento-based infrastructure were urged to review file upload endpoints, apply security updates, and monitor web directories for unauthorized changes.
INCIDENT DETAILS -
TYPE
Defacement, Unauthorized File Upload
MOTIVATION
Defacement recognition, geopolitical messaging (secondary)
IMPACT
Systems Affected: 7,500+ Magento-powered e-commerce websites, 15,000+ hostnamesOperational Impact: Brief impact on live customer-facing sites before remediationBrand Reputation Impact: High (affected high-profile brands and government entities)
DATA BREACH
File Types Exposed: Text files (defacement messages)
JANUARY 2026
719Before Incident
DECEMBER 2025
717Before Incident
NOVEMBER 2025
716Before Incident
OCTOBER 2025
715Before Incident
SEPTEMBER 2025
714Before Incident
AUGUST 2025
713Before Incident
NOVEMBER 2023
771Before Incident
Ransomware
01 Nov 2023YMCL
Yamaha Motor and Xerox Business Solutions: INC ransomware opsec fail allowed data recovery for 12 US orgs

INC Ransomware Gang’s Security Failure Exposes Stolen Data from 12 U.S. Organizations

677After Incident
CRITICAL-94
YAMXER1769102615
INC Ransomware Gang’s Security Failure Exposes Stolen Data from 12 U.S. Organizations In a significant operational security lapse, researchers at Cyber Centaurs, a digital forensics and incident response firm, uncovered data exfiltrated by the INC ransomware gang from 12 U.S. organizations across healthcare, manufacturing, technology, and service sectors. The discovery stemmed from an investigation into a ransomware attack on a U.S. client in November 2023, where the RainINC variant was deployed via the PerfLogs directory a Windows-created folder increasingly abused by threat actors for staging. During the forensic analysis, researchers identified remnants of the legitimate backup tool Restic, which the INC gang had used in previous attacks but not in the current incident. This led to a shift in focus toward the gang’s infrastructure, where hardcoded credentials, PowerShell scripts (including a Base64-encoded ‘new.ps1’ file), and backup commands revealed a pattern of long-term data retention. The gang had reused Restic-based storage repositories across multiple campaigns, leaving encrypted victim data accessible even after ransom negotiations concluded. Cyber Centaurs developed a non-destructive enumeration process to validate their hypothesis, confirming the presence of stolen data from unrelated organizations none of which were their clients. After decrypting the backups, the team preserved copies and coordinated with law enforcement to verify ownership and ensure proper handling. The investigation also exposed the gang’s broader toolkit, which included cleanup utilities, remote access software, and network scanners. To aid defenders, Cyber Centaurs released YARA and Sigma rules to detect Restic or its renamed variants in suspicious locations, potentially flagging early-stage ransomware activity. INC ransomware, a ransomware-as-a-service (RaaS) operation active since mid-2023, has targeted high-profile victims, including Yamaha Motor, Xerox Business Solutions, Scotland’s NHS, McLaren Health Care, and the Texas State Bar. This breach highlights the risks of reused attacker infrastructure and the potential for recovering stolen data even after an attack concludes.
INCIDENT DETAILS -
TYPE
Ransomware
MOTIVATION
Financial gain (Ransomware-as-a-Service)
IMPACT
Data Compromised: Stolen data from 12 organizationsIdentity Theft Risk: High (due to data exfiltration)
DATA BREACH
Type Of Data Compromised: Stolen data (sensitive, unspecified)Sensitivity Of Data: High

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Yamaha Motor Co., Ltd. Cyber Scoring History | Rankiteo