Incident Score: Analysis & Impact (MCDCITSHEVODVERATTGITCURAUSVMW1787509645)
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 Cursor'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 Cursor 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 Cursor breach identified under incident ID MCDCITSHEVODVERATTGITCURAUSVMW1787509645.
The analysis begins with a detailed overview of Cursor's information like the linkedin page: https://www.linkedin.com/company/cursorai, the number of followers: 444003, the industry type: Software Development and the number of employees: 982 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 767 and after the incident was 741 with a difference of -26 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 Cursor and their customers.
Australian energy utility recently reported "AI, Zero-Days, and Low-Tech Defenses: A Week of Escalating Cyber Threats", a noteworthy cybersecurity incident.
This week’s cybersecurity landscape highlighted the dual-edged role of AI both as a tool for attackers and a defensive asset alongside critical vulnerabilities, high-profile breaches, and a reminder that sometimes the simplest solutions are the most effective.
The disruption is felt across the environment, affecting Microsoft Entra ID, Microsoft SCCM and VMware vCenter, and exposing LDAP credentials, SQL databases and Global Administrator account listings, with nearly ['1.7M (McDonald’s)', '~425K (Vodafone)', '~800K (TCS)', '89GB (Shell)'] records at risk.
In response, moved swiftly to contain the threat with measures like physical network cable severing (T-Mobile), server-side patching (Microsoft Entra ID) and auditing AD permissions (Microsoft SCCM), and began remediation that includes patching critical vulnerabilities, migrating from SMS/voice MFA to passkeys/FIDO2 and enhancing monitoring for impossible-travel logins.
The case underscores how ongoing, teams are taking away lessons such as The incidents underscored the accelerating arms race in cybersecurity, with AI lowering the barrier for attackers while defenders race to patch critical flaws. Low-tech defenses (e.g., physical cable cuts) can be effective, and proactive patching, behavioral detection, and resilient access controls are critical, and recommending next steps like Patch critical vulnerabilities within 24 hours of disclosure, Migrate from SMS/voice MFA to passkeys or FIDO2 keys and Implement dual approval and out-of-band verification for payment changes.
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 high confidence (90%), with evidence including infostealer-compromised credentials, and global Administrator account listings, Exploit Public-Facing Application (T1190) with moderate to high confidence (80%), with evidence including cVE-2026-59310 (VMware vCenter path traversal), and cVE-2026-19490 (Citrix NetScaler auth bypass), Phishing: Spearphishing Attachment (T1566.001) with moderate to high confidence (80%), with evidence including malicious HTML attachments (Mirage2FA), and obfuscated HTML attachments, and Drive-by Compromise (T1189) with moderate to high confidence (70%), supported by evidence indicating 2,000 hacked WordPress sites repurposed as C2 network. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate to high confidence (80%), supported by evidence indicating malicious git.exe files (Cursor IDE CVE-2026-63093), Command and Scripting Interpreter: PowerShell (T1059.001) with moderate to high confidence (70%), supported by evidence indicating aI-driven attacks automating LDAP credential theft, and Windows Management Instrumentation (T1047) with moderate to high confidence (80%), supported by evidence indicating wMI event subscriptions for persistence (12KB implant). Under the Persistence tactic, the analysis identified Account Manipulation (T1098) with high confidence (90%), with evidence including backdoored VPNs, and global Administrator account listings, Event Triggered Execution: Windows Management Instrumentation Event Subscription (T1546.003) with moderate to high confidence (80%), supported by evidence indicating wMI event subscriptions for persistence, and Create Account: Local Account (T1136.001) with moderate to high confidence (70%), supported by evidence indicating lDAP credentials stolen via AI-driven attacks. Under the Privilege Escalation tactic, the analysis identified Exploitation for Privilege Escalation (T1068) with high confidence (90%), with evidence including cVE-2026-47301 (SCCM SYSTEM-level access), and cVE-2026-59310 (VMware vCenter root access), Valid Accounts (T1078) with high confidence (90%), with evidence including global Administrator accounts compromised, and lDAP credentials stolen, and Abuse Elevation Control Mechanism: Bypass User Account Control (T1548.002) with moderate to high confidence (70%), supported by evidence indicating sYSTEM-level access via SCCM exploit. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate to high confidence (80%), with evidence including obfuscated HTML attachments (Mirage2FA), and whitespace-padded C2 config files, Masquerading: Match Legitimate Name or Location (T1036.005) with moderate to high confidence (80%), supported by evidence indicating 12KB implant disguised as Realtek audio software, Impair Defenses: Disable or Modify Tools (T1562.001) with moderate to high confidence (80%), with evidence including disabled VMware HA agent, and firewall outage via misconfigured VDOM, and Indicator Removal: Clear Windows Event Logs (T1070.001) with moderate confidence (60%), supported by evidence indicating stealthy Windows backdoor (12KB implant). Under the Credential Access tactic, the analysis identified OS Credential Dumping: DCSync (T1003.006) with high confidence (90%), supported by evidence indicating lDAP credentials stolen via AI-driven attacks, Credentials from Password Stores (T1555) with moderate to high confidence (80%), supported by evidence indicating infostealer-compromised credentials, Brute Force: Password Guessing (T1110.001) with moderate to high confidence (70%), supported by evidence indicating global Administrator account listings sold on dark web, and Adversary-in-the-Middle: LLMNR/NBT-NS Poisoning and SMB Relay (T1557.001) with moderate to high confidence (80%), supported by evidence indicating aiTM proxy hijacking Microsoft 365 sessions. Under the Discovery tactic, the analysis identified Account Discovery: Domain Account (T1087.002) with high confidence (90%), with evidence including lDAP credentials stolen, and global Administrator account listings, Remote System Discovery (T1018) with moderate to high confidence (80%), with evidence including sQL database exfiltration, and vPN backdooring, and Network Service Discovery (T1046) with moderate to high confidence (70%), supported by evidence indicating 361 affected VMware vCenter IPs across 47 countries. Under the Lateral Movement tactic, the analysis identified Remote Services: Remote Desktop Protocol (T1021.001) with moderate to high confidence (80%), with evidence including backdoored VPNs, and global Administrator access, Lateral Tool Transfer (T1570) with moderate to high confidence (70%), supported by evidence indicating ransomware deployment via WordPress C2 network, and Valid Accounts (T1078) with high confidence (90%), supported by evidence indicating lDAP credentials used for lateral movement. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), with evidence including sQL databases exfiltrated, and engineering drawings stolen (Shell), Data from Information Repositories: Sharepoint (T1213.002) with moderate to high confidence (70%), supported by evidence indicating vendor payment details compromised (BEC attack), and Email Collection: Remote Email Collection (T1114.002) with moderate to high confidence (80%), supported by evidence indicating microsoft 365 session hijacking for BEC. Under the Command and Control tactic, the analysis identified Application Layer Protocol: Web Protocols (T1071.001) with moderate to high confidence (80%), supported by evidence indicating wordPress sites repurposed as C2 network, Ingress Tool Transfer (T1105) with moderate to high confidence (70%), supported by evidence indicating ransomware delivered via WordPress C2, and Proxy: External Proxy (T1090.002) with moderate to high confidence (80%), supported by evidence indicating aiTM proxy for session hijacking. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), with evidence including 89GB data stolen from Shell, and sQL databases exfiltrated, Exfiltration Over Web Service: Exfiltration to Cloud Storage (T1567.002) with moderate to high confidence (70%), supported by evidence indicating data sold on dark web (TheHatman), and Exfiltration Over Alternative Protocol: Exfiltration Over Unencrypted/Obfuscated Non-C2 Protocol (T1048.003) with moderate confidence (60%), supported by evidence indicating undocumented URL parameters (Copilot Personal CVE-2026-24301). Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), with evidence including medusa ransomware encryption, and cl0p ransomware deployment, Data Destruction (T1485) with moderate to high confidence (70%), with evidence including disabled VMware HA agent, and firewall outage via misconfigured VDOM, Defacement: Internal Defacement (T1491.001) with moderate confidence (60%), supported by evidence indicating wordPress sites repurposed as C2 network, and Account Access Removal (T1531) with moderate confidence (50%), supported by evidence indicating gitHub outage disrupting CI/CD pipelines. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Cursor Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/cursorai/incident/MCDCITSHEVODVERATTGITCURAUSVMW1787509645
- Cursor CyberSecurity Rating page: https://www.rankiteo.com/company/cursorai
- Cursor Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/mcdcitshevodverattgitcurausvmw1787509645-verizon-mcdonalds-att-vodafone-australian-energy-utility-shell-vmware-citrix-github-cursor-ide-cyber-attack-august-2026/
- Cursor CyberSecurity Score History: https://www.rankiteo.com/company/cursorai/history
- Cursor CyberSecurity Incident Source: https://cybersecuritynews.com/cyber-security-newsletter-bulletin-august/
- 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