Incident Score: Analysis & Impact (FLEHON1766476588)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Honeywell'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 Honeywell 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 Honeywell breach identified under incident ID FLEHON1766476588.
The analysis begins with a detailed overview of Honeywell's information like the linkedin page: https://www.linkedin.com/company/honeywell, the number of followers: 3444156, the industry type: Appliances, Electrical, and Electronics Manufacturing and the number of employees: 127082 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 813 and after the incident was 745 with a difference of -68 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 Honeywell and their customers.
On 30 October 2023, Honeywell disclosed Legal and Financial Dispute issues under the banner "Honeywell Potential Settlement for Flexjet-Linked Litigation".
Honeywell announced a one-time charge of about $470 million in Q4 2023 related to a potential settlement of litigation with Flexjet.
The disruption is felt across the environment, plus an estimated financial loss of $470 million (one-time charge).
In response, and stakeholders are being briefed through Public disclosure of financial charge and updated outlook.
Overall, the incident is a reminder of why proactive monitoring and strong governance matter.
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 Supply Chain Compromise (T1195) with moderate to high confidence (70%), with evidence including supply chain such as true, and alleged breach of aircraft engine maintenance services agreement. Under the Impact tactic, the analysis identified Service Stoppage (T1489) with moderate to high confidence (80%), with evidence including delayed engine repairs for Flexjet, and liquidated damages accruing monthly for delayed repairs and Financial Theft (T1657) with high confidence (90%), with evidence including $470 million (one-time charge), and potential settlement in litigation with Flexjet. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Honeywell Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/honeywell/incident/FLEHON1766476588
- Honeywell CyberSecurity Rating page: https://www.rankiteo.com/company/honeywell
- Honeywell Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/flehon1766476588-breach-march-2023/
- Honeywell CyberSecurity Score History: https://www.rankiteo.com/company/honeywell/history
- Honeywell CyberSecurity Incident Source: https://www.claimsjournal.com/news/national/2025/12/23/334711.htm
- 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