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Analyze » ABRI CREDIT UNION » ABR1767211811

Incident Score: Analysis & Impact (ABR1767211811)

The details regarding individual company incidents & reports gives you full view from every side.

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-79
Company Score Before Incident754 / 1000
Company Score After Incident675 / 1000
Company LinkView ABRI CREDIT UNION Profile
INCIDENT NUMBERABR1767211811
Type of Cyber IncidentBreach
ATTACK VECTORUnauthorized network access
DATA EXPOSEDSensitive personally identifiable information
INCIDENT DATE02/05/2024
STATUSOngoing (forensic investigation completed)

Key Highlights From The Incident Analysis

  • Timeline of ABRI CREDIT UNION's Breach and lateral movement inside company's environment.
  • Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
  • How Rankiteo’s incident engine converts technical details into a normalized incident score.
  • How this cyber incident impacts ABRI CREDIT UNION Rankiteo cyber scoring and cyber rating.
  • Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.

Full Incident Analysis Transcript

In this Rankiteo incident briefing, we review the ABRI CREDIT UNION breach identified under incident ID ABR1767211811.

The analysis begins with a detailed overview of ABRI CREDIT UNION's information like the linkedin page: https://www.linkedin.com/company/abri-credit-union, the number of followers: 409, the industry type: Banking and the number of employees: 63 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 754 and after the incident was 675 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 ABRI CREDIT UNION and their customers.

On 01 December 2025, Abri Credit Union disclosed Data Breach issues under the banner "Abri Credit Union Data Breach".

Abri Credit Union experienced a data breach involving unauthorized access to its network, exposing sensitive personally identifiable information of its members.

The disruption is felt across the environment, and exposing Sensitive personally identifiable information, with nearly At least 463 (Massachusetts residents) records at risk.

In response, and stakeholders are being briefed through Breach notification letter sent to affected individuals.

The case underscores how Ongoing (forensic investigation completed), and recommending next steps like Enroll in complimentary credit monitoring and identity protection services (Experian IdentityWorks), Place a fraud alert on credit files and Consider placing a security freeze on credit reports, with advisories going out to stakeholders covering Breach notification letter sent to affected individuals.

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.

MITRE ATT&CK® Correlation Analysis

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 moderate to high confidence (70%), with evidence including unauthorized access to its network, and attack vector such as Unauthorized network access and Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating ongoing vulnerabilities in financial institutions’ data security measures. Under the Credential Access tactic, the analysis identified Brute Force (T1110) with moderate confidence (60%), supported by evidence indicating unauthorized access to its network (implied credential compromise) and Unsecured Credentials (T1552) with moderate confidence (60%), supported by evidence indicating financial institutions’ data security vulnerabilities. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating exposed sensitive personal data (SSNs, card details, financial info) and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating data breach involving unauthorized access (cloud storage possible). Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with lower confidence (30%), supported by evidence indicating no ransomware strain identified, but data exposure implies impact and Data Manipulation: Stored Data Manipulation (T1565.001) with lower confidence (40%), supported by evidence indicating potential identity theft and financial fraud risks. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Initial Access
Valid Accounts (70%)
Exploit Public-Facing Application (50%)
Credential Access
Brute Force (60%)
Unsecured Credentials (60%)
Exfiltration
Exfiltration Over C2 Channel (80%)
Transfer Data to Cloud Account (50%)
Impact
Data Encrypted for Impact (30%)
Data Manipulation: Stored Data Manipulation (40%)

Sources & References