Ransom! Helzberg (APR-2026)

A ransomware claim alleges that Helzberg Diamonds, a US-based jewelry retailer, was targeted by the threat actor coinbasecartel. The claim describes disruptions to Helzberg’s operations across the United States as a result of the attack.
#UnitedStates

Incident Details

  • Victim: Helzberg
  • Sector: Consumer Services
  • Country: US
  • Actor: coinbasecartel
  • Source: http://fjg4zi4opkxkvdz7mvwp7h6goe4tcby3hhkrz43pht4j3vakhy75znyd.onion/companies/helzberg
  • Discovered: 2026-04-12 22:24:59.483852
  • Published: 2026-04-12 22:24:43.939193

Information

  • Helzberg Diamonds is an American retail jewelry company headquartered in North Kansas City, Missouri.
  • Founded in 1915.
  • Operates a chain of jewelry stores across the United States.
  • Sells diamonds, engagement rings, wedding bands, and fine jewelry.
  • Subsidiary of Berkshire Hathaway since 1995.
  • Operates hundreds of retail locations in shopping malls and centers nationwide.

Disclaimer: This post is based on public claims made by the ransomware group "coinbasecartel". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.

monitored by: ransomware.live