Incident Score: Analysis & Impact (ACR1784795082)
The details regarding individual company incidents & reports gives you full view from every side.
Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Acrisure Protection Group's Vulnerability 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 Acrisure Protection Group 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 Acrisure Protection Group breach identified under incident ID ACR1784795082.
The analysis begins with a detailed overview of Acrisure Protection Group's information like the linkedin page: https://www.linkedin.com/company/acrisurepg, the number of followers: 2529, the industry type: Motor Vehicle Manufacturing and the number of employees: 149 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 747 and after the incident was 750 with a difference of 3 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 Acrisure Protection Group and their customers.
On 01 January 2025, KARR Security System (Acrisure Protection Group) disclosed Vulnerability Exploitation issues under the banner "Millions of Vehicles Vulnerable to Remote Attacks via Flawed KARR Security System".
Researchers at the University of California, San Diego, uncovered a critical Bluetooth vulnerability in the aftermarket KARR Security System, exposing an estimated 2.2 million vehicles to remote attacks.
The disruption is felt across the environment, affecting 2.2 million vehicles.
In response, moved swiftly to contain the threat with measures like Firmware patch released, and began remediation that includes Manual firmware update via KARR app, and stakeholders are being briefed through Public disclosure and advisory for vehicle owners.
The case underscores how Resolved, teams are taking away lessons such as Third-party automotive hardware can bypass manufacturer security controls, leaving consumers and automakers with limited visibility and delayed response options, and recommending next steps like Vehicle owners should manually check for KARR hardware and install the firmware update via the KARR app. Automakers and aftermarket vendors should improve security oversight and update mechanisms for third-party systems, with advisories going out to stakeholders covering Automakers, dealerships, and vehicle owners advised to check for KARR hardware and apply updates.
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 Bluetooth Exploitation (T1465) with high confidence (90%), supported by evidence indicating vulnerability stems from a hardcoded authentication key embedded in all KARR devices and Supply Chain Compromise: Compromise Software Dependencies and Development Tools (T1195.002) with moderate to high confidence (70%), supported by evidence indicating aftermarket KARR Security System...bypass manufacturer security controls. Under the Credential Access tactic, the analysis identified Unsecured Credentials: Credentials In Files (T1552.001) with high confidence (95%), supported by evidence indicating hardcoded authentication key embedded in all KARR devices. Under the Execution tactic, the analysis identified Cloud Administration Command (T1651) with moderate confidence (60%), supported by evidence indicating developed a proof-of-concept Android app capable of impersonating legitimate users. Under the Lateral Movement tactic, the analysis identified Replication Through Removable Media (T1091) with moderate confidence (50%), supported by evidence indicating attacks can be executed within Bluetooth range. Under the Collection tactic, the analysis identified Gather Victim Org Information (T1591) with moderate to high confidence (70%), supported by evidence indicating researchers mapped vulnerable vehicles across the U.S. using WiGLE radio signal data and Gather Victim Network Information: Network Traffic (T1590.005) with moderate to high confidence (80%), supported by evidence indicating persistent Bluetooth emissions raise privacy concerns...reveal vehicle movement patterns. Under the Impact tactic, the analysis identified Endpoint Denial of Service: Application or System Exploitation (T1499.004) with moderate to high confidence (80%), supported by evidence indicating allows unauthorized access to...engine immobilization and Data Manipulation: Stored Data Manipulation (T1565.001) with moderate to high confidence (70%), supported by evidence indicating door unlocking, alarm deactivation, and engine immobilization. Under the Defense Evasion tactic, the analysis identified Subvert Trust Controls: Code Signing Policy Modification (T1553.006) with moderate confidence (60%), supported by evidence indicating aftermarket nature...traditional over-the-air updates or manufacturer recalls do not apply. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Acrisure Protection Group Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/acrisurepg/incident/ACR1784795082
- Acrisure Protection Group CyberSecurity Rating page: https://www.rankiteo.com/company/acrisurepg
- Acrisure Protection Group Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/acr1784795082-acrisure-protection-group-vulnerability-july-2026/
- Acrisure Protection Group CyberSecurity Score History: https://www.rankiteo.com/company/acrisurepg/history
- Acrisure Protection Group CyberSecurity Incident Source: https://cybersecuritynews.com/karr-bluetooth-vulnerability-exposes/
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf