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high severity June 21, 2023 · 3 min read Unverified claim — what this is

Yokohama-oht (atgtire) Listed by akira Ransomware Group

If you are a customer of Yokohama-oht (atgtire), here’s what is being claimed, and what it would mean for you.

Yokohama Off-Highway Tires America Inc is a company that operatesin the Automotive industry. A well-known name in tire business is going to share it's secrets in our blog. The data we took from them is of 1.3TB size will be available for you soon.

— from Akira’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.
Yokohama-oht (atgtire) Listed by akira Ransomware Group

Yokohama Off-Highway Tires America Inc was listed on the Akira ransomware group’s leak site on June 21, 2023. The company, which operates in the automotive and off-highway tire sector, had 1.3 TB of internal files exfiltrated during a ransomware attack. The leak-site posting states that the stolen data will be made available for download, exposing any sensitive business records that may contain employee or customer information.

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Reported Details from the Listing

The Akira leak site entry explicitly names Yokohama-oht (atgtire) and states the data was taken in a ransomware incident. It reports that the exfiltrated material totals 1.3 TB and warns the files will soon be published. The disclosure does not specify the exact types of records taken, nor does it list any individual data elements such as names, Social Security numbers, or financial details. Public reporting on Akira indicates the group typically posts samples or full archives after victims ignore extortion demands. No victim count or customer record total is provided in the primary listing.

Why This Matters for You and Your Family

When a company like Yokohama Off-Highway Tires suffers a breach, the information exposed often includes details that can be linked back to individuals. Employees, vendors, and customers may find their names, addresses, contact information, or employment records suddenly available to criminals. Even if the leak site does not publish every file immediately, the mere confirmation of 1.3 TB of internal files stolen creates long-term risk. Your family’s data can be combined with other breaches to build detailed profiles used for identity theft, phishing, or targeted scams. The incident underscores how data you entrust to everyday businesses can later surface in criminal marketplaces.

Doxxing and Identity-Chain Risks

Exfiltrated internal files frequently contain spreadsheets, emails, or directories that link employee names to personal email addresses, phone numbers, or even family member references. Attackers chain these fragments across multiple breaches to map your online handles to your real-world identity. A single leaked work document can expose the bridge between your corporate account and personal accounts, enabling doxxing that reaches your home address or your children’s information. Credential leaks of this nature often cascade into gaming account takeovers, where stolen passwords grant access to platforms that store chat logs, payment methods, and additional personal details.

Akira Ransomware Group Track Record

Public reporting attributes the Akira ransomware group’s emergence to early 2023. The group has since targeted organizations across multiple industries, posting victims on a dedicated leak site when ransom demands go unmet. Their typical playbook involves initial access through compromised credentials or remote desktop vulnerabilities, followed by exfiltration of sensitive files before encryption. Akira then uses dual extortion: threatening both data publication and system downtime. The Yokohama Off-Highway Tires listing fits this pattern, with the group announcing 1.3 TB of data and promising its imminent release.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, including cleanup of exposed records.
  • Rotate any password you used at Yokohama Off-Highway Tires or related systems anywhere it has been reused, and enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours instead of months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts vulnerable to credential chaining from breaches like this one.
  • Let remediation specialists handle data broker takedown requests and follow-up monitoring on your behalf.

The breach of Yokohama Off-Highway Tires America Inc on June 21, 2023, illustrates how quickly corporate data can become public ammunition for extortion. Staying ahead requires more than reactive checks. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes your children’s gaming accounts. Start your DoxxScan trial today to close the gaps before the next leak appears.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

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value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

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Report details & sourcing

Severity High
Disclosed June 21, 2023
Last reviewed August 8, 2026
Affected Unconfirmed
Unverified claim — what this report is
This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
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