Incident Score: Analysis & Impact (GREHACRWJTHE1783635866)

In this Rankiteo incident briefing, we review the Atlantic Group breach identified under incident ID GREHACRWJTHE1783635866.

The analysis begins with a detailed overview of Atlantic Group's information like the linkedin page: https://www.linkedin.com/company/the-atlantic-group, the number of followers: 382685, the industry type: Staffing and Recruiting and the number of employees: 279 employees

After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 766 and after the incident was 687 with a difference of -79 which is could be a good indicator of the severity and impact of the incident.

In the next step of the video, we will analyze in more details the incident and the impact it had on Atlantic Group and their customers.

On 18 May 2026, Greenbaum Rowe Smith and Davis disclosed Data Breach issues under the banner "Cyberattack on New Jersey Law Firm Exposes Nearly 13,000 Patients’ Sensitive Data".

A cyberattack on New Jersey-based law firm Greenbaum Rowe Smith and Davis compromised the protected health information (PHI) of 12,801 individuals, including patients from major healthcare providers.

The disruption is felt across the environment, affecting Law firm's systems, and exposing Protected health information (PHI) including names, addresses, Social Security numbers, dates of birth, medical records, and health insurance details, with nearly 12,801 records at risk.

In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like Password reset for compromised accounts, and began remediation that includes Strengthened cybersecurity measures, while recovery efforts such as Offering identity theft protection services and dedicated call center for impacted individuals continue, and stakeholders are being briefed through Mailed letters to affected individuals, public disclosure via HHS OCR.

The case underscores how Concluded, with advisories going out to stakeholders covering Coordination with affected healthcare providers (e.g., Hackensack Meridian Health).

Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.

The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.