In the latest cybersecurity news, Helzberg — a company operating in the US — has fallen victim to a ransomware attack conducted by the group coinbasecartel. This data breach, discovered on 2026-04-12 22:24:59.483852, underscores the increasing need for proactive cybersecurity defenses as we continue through 2025.
In response to increasing cyber threats, it’s critical to protect your organization with proactive security measures. HookPhish provides enterprise-grade solutions designed to reduce your risk of future attacks:
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- Data Breach Monitoring – Get real-time alerts if your organization’s data appears in public or dark web breaches.
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Incident Report
| Attribute | Information |
|---|---|
| Target Organization | Helzberg |
| Threat Group | coinbasecartel |
| Summary | [AI generated] Helzberg Diamonds is a American retail jewelry company headquartered in North Kansas City, Missouri. Founded in 1915, it operates a chain of jewelry stores across the United States, selling diamonds, engagement rings, wedding bands, and fine jewelry. The company is a subsidiary of Berkshire Hathaway, having been acquired in 1995. Helzberg operates hundreds of retail locations in shopping malls and centers nationwide. |
| Date of Breach | 2026-04-12 22:24:43.939193 |
| Discovery Date | 2026-04-12 22:24:59.483852 |
| Region | US |
| Target Domain | Helzberg |
| Business Sector | Consumer Services |
Don’t wait for a breach to take action — stay informed and take control of your cybersecurity posture today.
You can also check if your organization’s data has been exposed using our free Data Breach Checker.
Disclaimer: HookPhish does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.


