Incident Score: Analysis & Impact (CIS1774355311)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Cisco's Ransomware 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 Cisco 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 Cisco breach identified under incident ID CIS1774355311.
The analysis begins with a detailed overview of Cisco's information like the linkedin page: https://www.linkedin.com/company/cisco, the number of followers: 7281720, the industry type: Software Development and the number of employees: 95370 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 569 and after the incident was 475 with a difference of -94 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 Cisco and their customers.
Cisco recently reported "Russian Access Broker Sentenced for Fueling $24M in Ransomware Attacks", a noteworthy cybersecurity incident.
Aleksei Volkov, a 26-year-old Russian national, was sentenced to 81 months in prison for his role as an initial access broker, facilitating dozens of cyberattacks across the U.S.
The disruption is felt across the environment, plus an estimated financial loss of $9 million (confirmed losses), $24 million (intended damages).
Formal response steps have not been shared publicly yet.
The case underscores how Closed (Conviction and Sentencing), teams are taking away lessons such as The case highlights the supply-chain dynamics of modern ransomware, where access brokers enable large-scale attacks by providing initial footholds. Targeting brokers disrupts the economic viability of ransomware campaigns.
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%), supported by evidence indicating specialized in identifying and selling unauthorized network access and Trusted Relationship (T1199) with moderate to high confidence (80%), supported by evidence indicating access brokers enable ransomware groups to breach networks. Under the Credential Access tactic, the analysis identified Gather Victim Identity Information: Credentials (T1589.001) with moderate to high confidence (70%), supported by evidence indicating aggravated Identity Theft charge in sentencing. Under the Lateral Movement tactic, the analysis identified Remote Services (T1021) with moderate to high confidence (80%), supported by evidence indicating selling unauthorized network access to cybercriminals. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating deployed ransomware...encrypt data and extort victims and Service Stop (T1489) with moderate to high confidence (70%), supported by evidence indicating ransomware attacks...extort victims for millions. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (60%), supported by evidence indicating $24 million in intended damages from ransomware attacks. Under the Resource Development tactic, the analysis identified Acquire Infrastructure: Domains (T1583.001) with moderate confidence (50%), supported by evidence indicating bitcoin transaction linked him to the cybercrime network and Obtain Capabilities: Tool (T1588.002) with moderate to high confidence (70%), supported by evidence indicating access brokers provide initial foothold for ransomware groups. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Cisco Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/cisco/incident/CIS1774355311
- Cisco CyberSecurity Rating page: https://www.rankiteo.com/company/cisco
- Cisco Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/cis1774355311-cisco-ransomware-january-2024/
- Cisco CyberSecurity Score History: https://www.rankiteo.com/company/cisco/history
- Cisco CyberSecurity Incident Source: https://thecyberexpress.com/russian-access-broker-gets-7-yrs-prison-time/
- 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