Incident Score: Analysis & Impact (ZEP1775745680)
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 Zephyr Energy plc's Cyber Attack 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 Zephyr Energy plc 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 Zephyr Energy plc breach identified under incident ID ZEP1775745680.
The analysis begins with a detailed overview of Zephyr Energy plc's information like the linkedin page: https://www.linkedin.com/company/zephyr-energy-plc, the number of followers: 908, the industry type: Oil and Gas and the number of employees: 10 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 741 and after the incident was 708 with a difference of -33 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 Zephyr Energy plc and their customers.
Zephyr Energy plc recently reported "Zephyr Energy Hit by Sophisticated Cyberattack, Losing £700K in Diverted Payment", a noteworthy cybersecurity incident.
UK-based oil and gas firm Zephyr Energy plc disclosed a cyber incident that resulted in the theft of approximately £700,000 after attackers rerouted a single payment intended for a contractor.
The disruption is felt across the environment, plus an estimated financial loss of £700,000.
In response, moved swiftly to contain the threat with measures like Breach contained, no further disruption, and began remediation that includes Additional security measures including stricter payment verification and supplier bank detail controls, while recovery efforts such as Engaged banks to recover stolen funds continue.
The case underscores how Ongoing, teams are taking away lessons such as Cybercriminals can exploit financial processes without directly breaching corporate networks, underscoring the risks of even routine transactions, and recommending next steps like Implement stricter payment verification and supplier bank detail controls, with advisories going out to stakeholders covering Assured investors that working capital remains sufficient to cover the impact without affecting ongoing projects.
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 Phishing: Spearphishing Link (T1566.002) with moderate confidence (60%), supported by evidence indicating intercepting a legitimate transaction and altering payment details and Trusted Relationship (T1199) with moderate to high confidence (70%), supported by evidence indicating attack targeted one of the company’s American subsidiaries. Under the Credential Access tactic, the analysis identified Unsecured Credentials: Credentials in Files (T1552.006) with moderate confidence (50%), supported by evidence indicating alteration of payment details to siphon funds and Valid Accounts: Cloud Accounts (T1078.004) with moderate confidence (60%), supported by evidence indicating highly sophisticated attack redirecting funds to unauthorized account. Under the Collection tactic, the analysis identified Email Collection: Email Forwarding Rule (T1114.003) with moderate confidence (50%), supported by evidence indicating intercepting a legitimate transaction. Under the Exfiltration tactic, the analysis identified Exfiltration Over Alternative Protocol: Exfiltration Over Unencrypted/Obfuscated Non-C2 Protocol (T1048.003) with moderate to high confidence (80%), supported by evidence indicating redirecting funds to an unauthorized account before the fraud was detected. Under the Impact tactic, the analysis identified Resource Hijacking (T1496) with moderate to high confidence (70%), supported by evidence indicating theft of approximately £700,000 after attackers rerouted a single payment. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Zephyr Energy plc Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/zephyr-energy-plc/incident/ZEP1775745680
- Zephyr Energy plc CyberSecurity Rating page: https://www.rankiteo.com/company/zephyr-energy-plc
- Zephyr Energy plc Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/zep1775745680-zephyr-energy-plc-cyber-attack-april-2026/
- Zephyr Energy plc CyberSecurity Score History: https://www.rankiteo.com/company/zephyr-energy-plc/history
- Zephyr Energy plc CyberSecurity Incident Source: https://www.theregister.com/2026/04/09/zephyr_energy_cyberattack/
- 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