In the latest cybersecurity news, Jeffrey W Krol & Associates — a company operating in the US — has fallen victim to a ransomware attack conducted by the group sinobi. This data breach, discovered on 2025-12-07 18:48:19.945556, 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 | Jeffrey W Krol & Associates |
| Threat Group | sinobi |
| Summary | Jeffrey W. Krol & Associates, Ltd. is a full-service certified public accounting firm based in Chicago, Illinois, serving a diverse clientele across the United States. The firm offers a wide range of services including personal financial planning, business accounting, tax preparation, and QuickBooks services. Their dedicated team provides professional and personalized guidance to both individuals and businesses, addressing various financial and business needs. With years of experience, Krol & Associates is committed to assisting clients in navigating their accounting challenges. |
| Date of Breach | 2025-12-07 13:21:56.029000 |
| Discovery Date | 2025-12-07 18:48:19.945556 |
| Region | US |
| Target Domain | None |
| Business Sector | Not Found |
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.
