Seiko USA Site Defaced With Unverified Shopify Customer-Data Theft Claim

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Summary

A defaced Seiko USA page claimed attackers accessed its Shopify backend and stole customer data, threatening publication after 72 hours. The actor and claims remain unverified; Seiko has not publicly confirmed the incident and removed the message.

Key points

  • A page titled “HACKED” appeared in the Press Lounge section of Seiko USA’s website with an extortion message.
  • The attackers claimed they accessed Seiko USA’s Shopify backend and exfiltrated its customer database; this claim has not been verified.
  • The alleged data included names, contact details, order history, shipping information and account details.
  • The message demanded contact within 72 hours and threatened to publish the alleged data.
  • BleepingComputer could not identify the threat actor; Seiko USA has not publicly confirmed the incident and removed the message.

Article Details

Victim Organization
Seiko USA
Incident Type
Website defacement with an extortion message and an unverified claim of customer database theft.
Data Types Exposed
  • Allegedly names, email addresses, and phone numbers
  • Allegedly purchase records and transaction details
  • Allegedly shipping addresses and preferences
  • Allegedly account creation dates and customer notes
Affected Records
Unknown; attackers claimed the entire customer database was accessed, but no record count was provided and the claim was unverified.
Affected Data Size
Unknown; attackers claimed the entire customer database was exfiltrated, but this was not verified.
Operational Impact
The site's Press Lounge section displayed a defacement and extortion message in place of normal content. Seiko USA later removed the message.
Ransom Or Extortion
The attackers threatened to publish the allegedly stolen database unless Seiko USA negotiated, setting a 72-hour deadline. No ransom amount was stated.
Claim Status
claimed

MITRE ATT&CK

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