Fried Frank Breach Incident Score: Analysis & Impact (JPMFRI1768878048)

In this Rankiteo incident briefing, we review the Fried Frank breach identified under incident ID JPMFRI1768878048.

The analysis begins with a detailed overview of Fried Frank's information like the linkedin page: https://www.linkedin.com/company/friedfrank, the number of followers: 36750, the industry type: Law Practice and the number of employees: 1649 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 758 and after the incident was 689 with a difference of -69 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 Fried Frank and their customers.

On 12 January 2026, Fried, Frank, Harris, Shriver & Jacobson LLP disclosed Data Breach issues under the banner "Fried Frank Data Breach Exposes PII of 659 JPMorgan Clients".

A data breach at law firm Fried, Frank, Harris, Shriver & Jacobson LLP has compromised the personal information of 659 JPMorgan Chase clients, including investors and associated individuals.

The disruption is felt across the environment, affecting Shared network drive, and exposing Names, account numbers, Social Security numbers, passport numbers, government IDs, and contact details, with nearly 659 records at risk.

In response, and began remediation that includes Joint review to assess breach scope and bolster security measures, while recovery efforts such as Offering two years of free credit monitoring through Experian IdentityWorks continue, and stakeholders are being briefed through Regulatory disclosures filed with Maine, Massachusetts, and New Hampshire authorities.

The case underscores how teams are taking away lessons such as Highlights vulnerabilities in third-party legal service providers handling sensitive financial data, with advisories going out to stakeholders covering Offering two years of free credit monitoring through Experian IdentityWorks, including daily credit monitoring, identity theft resolution, and $1 million in insurance coverage.

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.

Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Valid Accounts (T1078) with high confidence (90%), supported by evidence indicating incident stemmed from a compromised user account. Under the Credential Access tactic, the analysis identified Valid Accounts (T1078) with high confidence (90%), supported by evidence indicating compromised user account allowed unauthorized access. Under the Lateral Movement tactic, the analysis identified Remote Services: SMB/Windows Admin Shares (T1021.002) with moderate to high confidence (80%), supported by evidence indicating access and copy files from a shared network drive. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating copy files from a shared network drive containing PII and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating shared network drive with sensitive client data accessed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating data breach exposed 659 JPMorgan clients PII and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating unauthorized third party accessed and copied files. Under the Impact tactic, the analysis identified Data Manipulation: Stored Data Manipulation (T1565.001) with lower confidence (40%), supported by evidence indicating unauthorized access to shared network drive and Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating no details on extent of breach or data integrity. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.